CVE-2019-0010 : Detail

CVE-2019-0010

7.5
/
High
0.12%V3
Network
2019-01-15
21h00 +00:00
2024-09-16
22h14 +00:00
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CVE Descriptions

Junos OS: SRX Series: Crafted HTTP traffic may cause UTM to consume all mbufs, leading to Denial of Service

An SRX Series Service Gateway configured for Unified Threat Management (UTM) may experience a system crash with the error message "mbuf exceed" -- an indication of memory buffer exhaustion -- due to the receipt of crafted HTTP traffic. Each crafted HTTP packet inspected by UTM consumes mbufs which can be identified through the following log messages: all_logs.0:Jun 8 03:25:03 srx1 node0.fpc4 : SPU3 jmpi mbuf stall 50%. all_logs.0:Jun 8 03:25:13 srx1 node0.fpc4 : SPU3 jmpi mbuf stall 51%. all_logs.0:Jun 8 03:25:24 srx1 node0.fpc4 : SPU3 jmpi mbuf stall 52%. ... Eventually the system runs out of mbufs and the system crashes (fails over) with the error "mbuf exceed". This issue only occurs when HTTP AV inspection is configured. Devices configured for Web Filtering alone are unaffected by this issue. Affected releases are Junos OS on SRX Series: 12.1X46 versions prior to 12.1X46-D81; 12.3X48 versions prior to 12.3X48-D77; 15.1X49 versions prior to 15.1X49-D101, 15.1X49-D110.

CVE Solutions

The following software releases have been updated to resolve this specific issue: Junos OS 12.1X46-D81, 12.3X48-D77, 15.1X49-D101, 15.1X49-D110, 17.3R1, and all subsequent releases.

CVE Informations

Related Weaknesses

CWE-ID Weakness Name Source
CWE-770 Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

Metrics

Metrics Score Severity CVSS Vector Source
V3.0 7.5 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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.

None

The vulnerable system can be exploited without interaction from any user.

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.

None

There is no loss of confidentiality within the impacted component.

Integrity Impact

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

None

There is no loss of integrity within 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

V2 5 AV:N/AC:L/Au:N/C:N/I:N/A:P [email protected]

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.

Products Mentioned

Configuraton 0

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

Juniper>>Junos >> Version 12.1x46

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Configuraton 0

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

Juniper>>Junos >> Version 12.3x48

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Configuraton 0

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

Juniper>>Junos >> Version 15.1x49

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Juniper>>Srx3400 >> Version -

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Juniper>>Srx550 >> Version -

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Juniper>>Srx650 >> Version -

References

https://kb.juniper.net/JSA10910
Tags : x_refsource_CONFIRM
http://www.securityfocus.com/bid/106535
Tags : vdb-entry, x_refsource_BID