CVE-2018-16071 : Détail

CVE-2018-16071

8.8
/
Haute
Memory CorruptionOverflow
18.31%V4
Network
2019-01-09
18h00 +00:00
2019-01-10
09h57 +00:00
CVE.org
NVD
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Descriptions du CVE

A use after free in WebRTC in Google Chrome prior to 69.0.3497.81 allowed a remote attacker to potentially exploit heap corruption via a crafted video file.

Informations du CVE

Faiblesses connexes

CWE-ID Nom de la faiblesse Source
CWE-416 Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

Métriques

Métriques Score Gravité CVSS Vecteur Source
V3.0 8.8 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Base: Exploitabilty Metrics

The Exploitability metrics reflect the characteristics of the thing that is vulnerable, which we refer to formally as the vulnerable component.

Attack Vector

This metric reflects the context by which vulnerability exploitation is possible.

Network

A vulnerability exploitable with network access means the vulnerable component is bound to the network stack and the attacker's path is through OSI layer 3 (the network layer). Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable one or more network hops away (e.g. across layer 3 boundaries from routers).

Attack Complexity

This metric describes the conditions beyond the attacker's control that must exist in order to exploit the vulnerability.

Low

Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.

Privileges Required

This metric describes the level of privileges an attacker must possess before successfully exploiting the vulnerability.

None

The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.

User Interaction

This metric captures the requirement for a user, other than the attacker, to participate in the successful compromise of the vulnerable component.

Required

Successful exploitation of this vulnerability requires a user to take some action before the vulnerability can be exploited. For example, a successful exploit may only be possible during the installation of an application by a system administrator.

Base: Scope Metrics

An important property captured by CVSS v3.0 is the ability for a vulnerability in one software component to impact resources beyond its means, or privileges.

Scope

Formally, Scope refers to the collection of privileges defined by a computing authority (e.g. an application, an operating system, or a sandbox environment) when granting access to computing resources (e.g. files, CPU, memory, etc). These privileges are assigned based on some method of identification and authorization. In some cases, the authorization may be simple or loosely controlled based upon predefined rules or standards. For example, in the case of Ethernet traffic sent to a network switch, the switch accepts traffic that arrives on its ports and is an authority that controls the traffic flow to other switch ports.

Unchanged

An exploited vulnerability can only affect resources managed by the same authority. In this case the vulnerable component and the impacted component are the same.

Base: Impact Metrics

The Impact metrics refer to the properties of the impacted component.

Confidentiality Impact

This metric measures the impact to the confidentiality of the information resources managed by a software component due to a successfully exploited vulnerability.

High

There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact. For example, an attacker steals the administrator's password, or private encryption keys of a web server.

Integrity Impact

This metric measures the impact to integrity of a successfully exploited vulnerability. Integrity refers to the trustworthiness and veracity of information.

High

There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.

Availability Impact

This metric measures the impact to the availability of the impacted component resulting from a successfully exploited vulnerability.

High

There is total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).

Temporal Metrics

The Temporal metrics measure the current state of exploit techniques or code availability, the existence of any patches or workarounds, or the confidence that one has in the description of a vulnerability.

Environmental Metrics

 nvd@nist.gov
V2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P nvd@nist.gov

EPSS

EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.

Score EPSS

Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.

Percentile EPSS

Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.
EPSS First.org

Informations sur l'Exploit

Exploit Database EDB-ID : 45443

Date de publication : 2018-09-20 22h00 +00:00
Auteur : Google Security Research
EDB Vérifié : Yes

There is a use-after-free in VP9 processing in WebRTC. In the method RtpFrameReferenceFinder::ManageFrameVp9 the following code occurs: auto gof_info_it = gof_info_.find((codec_header.temporal_idx == 0) ? codec_header.tl0_pic_idx - 1 : codec_header.tl0_pic_idx); ... // snip info = &gof_info_it->second; } // Clean up info for base layers that are too old. uint8_t old_tl0_pic_idx = codec_header.tl0_pic_idx - kMaxGofSaved; auto clean_gof_info_to = gof_info_.lower_bound(old_tl0_pic_idx); gof_info_.erase(gof_info_.begin(), clean_gof_info_to); FrameReceivedVp9(frame->id.picture_id, info); tl0_pic_idx is extracted from the incoming packet, and it if is higher than any picture id that exists in gof_info_, the entire vector will be erased, and info will be used in the call FrameReceivedVp9 even though it has been freed. ASAN output: ==163231==ERROR: AddressSanitizer: heap-use-after-free on address 0x6060000031d0 at pc 0x0000014b0e1e bp 0x7ffe607dfd30 sp 0x7ffe607dfd28 READ of size 2 at 0x6060000031d0 thread T0 #0 0x14b0e1d in webrtc::video_coding::RtpFrameReferenceFinder::FrameReceivedVp9(unsigned short, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo*) modules/video_coding/rtp_frame_reference_finder.cc:569:31 #1 0x14ac2c5 in webrtc::video_coding::RtpFrameReferenceFinder::ManageFrameVp9(webrtc::video_coding::RtpFrameObject*) modules/video_coding/rtp_frame_reference_finder.cc:499:3 #2 0x14a7849 in ManageFrameInternal modules/video_coding/rtp_frame_reference_finder.cc:89:14 #3 0x14a7849 in webrtc::video_coding::RtpFrameReferenceFinder::ManageFrame(std::__1::unique_ptr<webrtc::video_coding::RtpFrameObject, std::__1::default_delete<webrtc::video_coding::RtpFrameObject> >) modules/video_coding/rtp_frame_reference_finder.cc:43 #4 0x148a87e in non-virtual thunk to webrtc::RtpVideoStreamReceiver::OnReceivedFrame(std::__1::unique_ptr<webrtc::video_coding::RtpFrameObject, std::__1::default_delete<webrtc::video_coding::RtpFrameObject> >) video/rtp_video_stream_receiver.cc:336:22 #5 0x1496f41 in webrtc::video_coding::PacketBuffer::InsertPacket(webrtc::VCMPacket*) modules/video_coding/packet_buffer.cc:130:31 #6 0x1487e59 in webrtc::RtpVideoStreamReceiver::OnReceivedPayloadData(unsigned char const*, unsigned long, webrtc::WebRtcRTPHeader const*) video/rtp_video_stream_receiver.cc:231:19 #7 0x12d9144 in webrtc::RTPReceiverVideo::ParseRtpPacket(webrtc::WebRtcRTPHeader*, webrtc::PayloadUnion const&, unsigned char const*, unsigned long, long) modules/rtp_rtcp/source/rtp_receiver_video.cc:109:26 #8 0x12cc80d in webrtc::RtpReceiverImpl::IncomingRtpPacket(webrtc::RTPHeader const&, unsigned char const*, unsigned long, webrtc::PayloadUnion) modules/rtp_rtcp/source/rtp_receiver_impl.cc:181:42 #9 0x1488e52 in webrtc::RtpVideoStreamReceiver::ReceivePacket(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:399:20 #10 0x1488b03 in webrtc::RtpVideoStreamReceiver::OnRecoveredPacket(unsigned char const*, unsigned long) video/rtp_video_stream_receiver.cc:245:3 #11 0x14b925c in webrtc::UlpfecReceiverImpl::ProcessReceivedFec() modules/rtp_rtcp/source/ulpfec_receiver_impl.cc:244:35 #12 0x148bd42 in webrtc::RtpVideoStreamReceiver::ParseAndHandleEncapsulatingHeader(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:421:23 #13 0x1488d51 in webrtc::RtpVideoStreamReceiver::ReceivePacket(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:390:5 #14 0x14899f8 in webrtc::RtpVideoStreamReceiver::OnRtpPacket(webrtc::RtpPacketReceived const&) video/rtp_video_stream_receiver.cc:290:3 #15 0x90c486 in webrtc::RtpDemuxer::OnRtpPacket(webrtc::RtpPacketReceived const&) call/rtp_demuxer.cc:157:11 #16 0x9131bd in webrtc::RtpStreamReceiverController::OnRtpPacket(webrtc::RtpPacketReceived const&) call/rtp_stream_receiver_controller.cc:55:19 #17 0x129940d in webrtc::internal::Call::DeliverRtp(webrtc::MediaType, rtc::CopyOnWriteBuffer, webrtc::PacketTime const&) call/call.cc:1321:36 #18 0x129a8d5 in webrtc::internal::Call::DeliverPacket(webrtc::MediaType, rtc::CopyOnWriteBuffer, webrtc::PacketTime const&) call/call.cc:1361:10 #19 0x61fe06 in webrtc::RtpReplay() video/replay.cc:279:31 #20 0x62337d in main video/replay.cc:343:3 #21 0x7f5ae03d82b0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202b0) 0x6060000031d0 is located 48 bytes inside of 56-byte region [0x6060000031a0,0x6060000031d8) freed by thread T0 here: #0 0x61bbb2 in operator delete(void*) /b/build/slave/linux_upload_clang/build/src/third_party/llvm/compiler-rt/lib/asan/asan_new_delete.cc:150:3 #1 0x14ac26c in __libcpp_deallocate buildtools/third_party/libc++/trunk/include/new:279:10 #2 0x14ac26c in deallocate buildtools/third_party/libc++/trunk/include/memory:1802 #3 0x14ac26c in deallocate buildtools/third_party/libc++/trunk/include/memory:1556 #4 0x14ac26c in erase buildtools/third_party/libc++/trunk/include/__tree:2370 #5 0x14ac26c in erase buildtools/third_party/libc++/trunk/include/__tree:2379 #6 0x14ac26c in erase buildtools/third_party/libc++/trunk/include/map:1200 #7 0x14ac26c in webrtc::video_coding::RtpFrameReferenceFinder::ManageFrameVp9(webrtc::video_coding::RtpFrameObject*) modules/video_coding/rtp_frame_reference_finder.cc:497 #8 0x14a7849 in ManageFrameInternal modules/video_coding/rtp_frame_reference_finder.cc:89:14 #9 0x14a7849 in webrtc::video_coding::RtpFrameReferenceFinder::ManageFrame(std::__1::unique_ptr<webrtc::video_coding::RtpFrameObject, std::__1::default_delete<webrtc::video_coding::RtpFrameObject> >) modules/video_coding/rtp_frame_reference_finder.cc:43 #10 0x148a87e in non-virtual thunk to webrtc::RtpVideoStreamReceiver::OnReceivedFrame(std::__1::unique_ptr<webrtc::video_coding::RtpFrameObject, std::__1::default_delete<webrtc::video_coding::RtpFrameObject> >) video/rtp_video_stream_receiver.cc:336:22 #11 0x1496f41 in webrtc::video_coding::PacketBuffer::InsertPacket(webrtc::VCMPacket*) modules/video_coding/packet_buffer.cc:130:31 #12 0x1487e59 in webrtc::RtpVideoStreamReceiver::OnReceivedPayloadData(unsigned char const*, unsigned long, webrtc::WebRtcRTPHeader const*) video/rtp_video_stream_receiver.cc:231:19 #13 0x12d9144 in webrtc::RTPReceiverVideo::ParseRtpPacket(webrtc::WebRtcRTPHeader*, webrtc::PayloadUnion const&, unsigned char const*, unsigned long, long) modules/rtp_rtcp/source/rtp_receiver_video.cc:109:26 #14 0x12cc80d in webrtc::RtpReceiverImpl::IncomingRtpPacket(webrtc::RTPHeader const&, unsigned char const*, unsigned long, webrtc::PayloadUnion) modules/rtp_rtcp/source/rtp_receiver_impl.cc:181:42 #15 0x1488e52 in webrtc::RtpVideoStreamReceiver::ReceivePacket(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:399:20 #16 0x1488b03 in webrtc::RtpVideoStreamReceiver::OnRecoveredPacket(unsigned char const*, unsigned long) video/rtp_video_stream_receiver.cc:245:3 #17 0x14b925c in webrtc::UlpfecReceiverImpl::ProcessReceivedFec() modules/rtp_rtcp/source/ulpfec_receiver_impl.cc:244:35 #18 0x148bd42 in webrtc::RtpVideoStreamReceiver::ParseAndHandleEncapsulatingHeader(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:421:23 #19 0x1488d51 in webrtc::RtpVideoStreamReceiver::ReceivePacket(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:390:5 #20 0x14899f8 in webrtc::RtpVideoStreamReceiver::OnRtpPacket(webrtc::RtpPacketReceived const&) video/rtp_video_stream_receiver.cc:290:3 #21 0x90c486 in webrtc::RtpDemuxer::OnRtpPacket(webrtc::RtpPacketReceived const&) call/rtp_demuxer.cc:157:11 #22 0x9131bd in webrtc::RtpStreamReceiverController::OnRtpPacket(webrtc::RtpPacketReceived const&) call/rtp_stream_receiver_controller.cc:55:19 #23 0x129940d in webrtc::internal::Call::DeliverRtp(webrtc::MediaType, rtc::CopyOnWriteBuffer, webrtc::PacketTime const&) call/call.cc:1321:36 #24 0x129a8d5 in webrtc::internal::Call::DeliverPacket(webrtc::MediaType, rtc::CopyOnWriteBuffer, webrtc::PacketTime const&) call/call.cc:1361:10 #25 0x61fe06 in webrtc::RtpReplay() video/replay.cc:279:31 #26 0x62337d in main video/replay.cc:343:3 #27 0x7f5ae03d82b0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202b0) previously allocated by thread T0 here: #0 0x61af72 in operator new(unsigned long) /b/build/slave/linux_upload_clang/build/src/third_party/llvm/compiler-rt/lib/asan/asan_new_delete.cc:93:3 #1 0x14b664f in __libcpp_allocate buildtools/third_party/libc++/trunk/include/new:259:10 #2 0x14b664f in allocate buildtools/third_party/libc++/trunk/include/memory:1799 #3 0x14b664f in allocate buildtools/third_party/libc++/trunk/include/memory:1548 #4 0x14b664f in __construct_node<const short &, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo> buildtools/third_party/libc++/trunk/include/__tree:2191 #5 0x14b664f in std::__1::pair<std::__1::__tree_iterator<std::__1::__value_type<unsigned char, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo>, std::__1::__tree_node<std::__1::__value_type<unsigned char, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo>, void*>*, long>, bool> std::__1::__tree<std::__1::__value_type<unsigned char, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo>, std::__1::__map_value_compare<unsigned char, std::__1::__value_type<unsigned char, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo>, webrtc::DescendingSeqNumComp<unsigned char, (unsigned char)0>, true>, std::__1::allocator<std::__1::__value_type<unsigned char, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo> > >::__emplace_unique_impl<short const&, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo>(short const&, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo&&) buildtools/third_party/libc++/trunk/include/__tree:2203 #6 0x14ab9ca in __emplace_unique<const short &, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo> buildtools/third_party/libc++/trunk/include/__tree:1193:16 #7 0x14ab9ca in emplace<const short &, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo> buildtools/third_party/libc++/trunk/include/map:1041 #8 0x14ab9ca in webrtc::video_coding::RtpFrameReferenceFinder::ManageFrameVp9(webrtc::video_coding::RtpFrameObject*) modules/video_coding/rtp_frame_reference_finder.cc:445 #9 0x14a7849 in ManageFrameInternal modules/video_coding/rtp_frame_reference_finder.cc:89:14 #10 0x14a7849 in webrtc::video_coding::RtpFrameReferenceFinder::ManageFrame(std::__1::unique_ptr<webrtc::video_coding::RtpFrameObject, std::__1::default_delete<webrtc::video_coding::RtpFrameObject> >) modules/video_coding/rtp_frame_reference_finder.cc:43 #11 0x148a87e in non-virtual thunk to webrtc::RtpVideoStreamReceiver::OnReceivedFrame(std::__1::unique_ptr<webrtc::video_coding::RtpFrameObject, std::__1::default_delete<webrtc::video_coding::RtpFrameObject> >) video/rtp_video_stream_receiver.cc:336:22 #12 0x1496f41 in webrtc::video_coding::PacketBuffer::InsertPacket(webrtc::VCMPacket*) modules/video_coding/packet_buffer.cc:130:31 #13 0x1487e59 in webrtc::RtpVideoStreamReceiver::OnReceivedPayloadData(unsigned char const*, unsigned long, webrtc::WebRtcRTPHeader const*) video/rtp_video_stream_receiver.cc:231:19 #14 0x12d9144 in webrtc::RTPReceiverVideo::ParseRtpPacket(webrtc::WebRtcRTPHeader*, webrtc::PayloadUnion const&, unsigned char const*, unsigned long, long) modules/rtp_rtcp/source/rtp_receiver_video.cc:109:26 #15 0x12cc80d in webrtc::RtpReceiverImpl::IncomingRtpPacket(webrtc::RTPHeader const&, unsigned char const*, unsigned long, webrtc::PayloadUnion) modules/rtp_rtcp/source/rtp_receiver_impl.cc:181:42 #16 0x1488e52 in webrtc::RtpVideoStreamReceiver::ReceivePacket(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:399:20 #17 0x1488b03 in webrtc::RtpVideoStreamReceiver::OnRecoveredPacket(unsigned char const*, unsigned long) video/rtp_video_stream_receiver.cc:245:3 #18 0x14b925c in webrtc::UlpfecReceiverImpl::ProcessReceivedFec() modules/rtp_rtcp/source/ulpfec_receiver_impl.cc:244:35 #19 0x148bd42 in webrtc::RtpVideoStreamReceiver::ParseAndHandleEncapsulatingHeader(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:421:23 #20 0x1488d51 in webrtc::RtpVideoStreamReceiver::ReceivePacket(unsigned char const*, unsigned long, webrtc::RTPHeader const&) video/rtp_video_stream_receiver.cc:390:5 #21 0x14899f8 in webrtc::RtpVideoStreamReceiver::OnRtpPacket(webrtc::RtpPacketReceived const&) video/rtp_video_stream_receiver.cc:290:3 #22 0x90c486 in webrtc::RtpDemuxer::OnRtpPacket(webrtc::RtpPacketReceived const&) call/rtp_demuxer.cc:157:11 #23 0x9131bd in webrtc::RtpStreamReceiverController::OnRtpPacket(webrtc::RtpPacketReceived const&) call/rtp_stream_receiver_controller.cc:55:19 #24 0x129940d in webrtc::internal::Call::DeliverRtp(webrtc::MediaType, rtc::CopyOnWriteBuffer, webrtc::PacketTime const&) call/call.cc:1321:36 #25 0x129a8d5 in webrtc::internal::Call::DeliverPacket(webrtc::MediaType, rtc::CopyOnWriteBuffer, webrtc::PacketTime const&) call/call.cc:1361:10 #26 0x61fe06 in webrtc::RtpReplay() video/replay.cc:279:31 #27 0x62337d in main video/replay.cc:343:3 #28 0x7f5ae03d82b0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202b0) SUMMARY: AddressSanitizer: heap-use-after-free modules/video_coding/rtp_frame_reference_finder.cc:569:31 in webrtc::video_coding::RtpFrameReferenceFinder::FrameReceivedVp9(unsigned short, webrtc::video_coding::RtpFrameReferenceFinder::GofInfo*) Shadow bytes around the buggy address: 0x0c0c7fff85e0: 00 00 00 00 00 00 00 fa fa fa fa fa fd fd fd fd 0x0c0c7fff85f0: fd fd fd fd fa fa fa fa 00 00 00 00 00 00 00 00 0x0c0c7fff8600: fa fa fa fa 00 00 00 00 00 00 00 00 fa fa fa fa 0x0c0c7fff8610: 00 00 00 00 00 00 00 00 fa fa fa fa 00 00 00 00 0x0c0c7fff8620: 00 00 00 00 fa fa fa fa fd fd fd fd fd fd fd fa =>0x0c0c7fff8630: fa fa fa fa fd fd fd fd fd fd[fd]fa fa fa fa fa 0x0c0c7fff8640: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0c7fff8650: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0c7fff8660: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0c7fff8670: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c0c7fff8680: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb Shadow gap: cc ==163231==ABORTING To reproduce the issue: 1) apply new.patch to your webrtc directory 2) build video_replay 3) download the attached filed into the same directory 4) run ./video_replay --input_file uaf Proof of Concept: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/45443.zip

Products Mentioned

Configuraton 0

Google>>Chrome >> Version To (excluding) 69.0.3497.81

Configuraton 0

Redhat>>Enterprise_linux_desktop >> Version 6.0

Redhat>>Enterprise_linux_server >> Version 6.0

Redhat>>Enterprise_linux_workstation >> Version 6.0

Références

http://www.securityfocus.com/bid/105215
Tags : vdb-entry, x_refsource_BID
https://access.redhat.com/errata/RHSA-2018:2666
Tags : vendor-advisory, x_refsource_REDHAT
https://security.gentoo.org/glsa/201811-10
Tags : vendor-advisory, x_refsource_GENTOO
https://www.exploit-db.com/exploits/45443/
Tags : exploit, x_refsource_EXPLOIT-DB
https://crbug.com/855211
Tags : x_refsource_MISC