Mozilla Firefox 37.x Compressed XML memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability, which was classified as critical, was found in Mozilla Firefox 37.x (Web Browser). This affects an unknown part of the component Compressed XML Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code by providing a large amount of compressed XML data.

The weakness was released 05/12/2015 by Ucha Gobejishvili (laf.intel) with Intel as MFSA 2015-54 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is uniquely identified as CVE-2015-2716 since 03/25/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 83378 (CentOS 5 / 6 / 7 : firefox (CESA-2015:0988)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371111 (F5 BIG-IP ASM Expat XML Library Vulnerability (K50459349)).

Upgrading to version 38 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (83378). Further details are available at bugzilla.mozilla.org. Entries connected to this vulnerability are available at 75342, 75343, 75344 and 75345.

Affected

  • Mozilla Firefox 37.x
  • Mozilla Firefox ESR 31.6
  • Mozilla Thunderbird 31.6

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Nessus ID: 83378
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2015:0988)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703260
OpenVAS Name: Debian Security Advisory DSA 3260-1 (iceweasel - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Upgrade: Firefox 38

Timelineinfo

03/25/2015 🔍
05/12/2015 +48 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/13/2015 +1 days 🔍
05/13/2015 +0 days 🔍
05/13/2015 +0 days 🔍
05/14/2015 +1 days 🔍
05/17/2022 +2560 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2015-54
Researcher: Ucha Gobejishvili (laf.intel)
Organization: Intel
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2716 (🔍)
OVAL: 🔍

SecurityTracker: 1032301 - Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code and Obtain Potentially Sensitive Information and Let Local Users Gain Elevated Privileges
Vulnerability Center: 50075 - Mozilla Firefox Remote DoS or Code Execution when parsing compressed XML, High
SecurityFocus: 74611 - Mozilla Firefox and Thunderbird MFSA 2015-48 through -58 Multiple Vulnerabilities

Misc.: 🔍
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Entryinfo

Created: 05/13/2015 12:38
Updated: 05/17/2022 11:06
Changes: 05/13/2015 12:38 (79), 06/28/2017 06:30 (7), 05/17/2022 11:06 (3)
Complete: 🔍

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