Mozilla Firefox up to 49 Cairo SVG Image memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability was found in Mozilla Firefox up to 49 (Web Browser). It has been classified as critical. Affected is some unknown processing of the component Cairo. The manipulation as part of a SVG Image 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. CVE summarizes:

A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

The weakness was shared 11/15/2016 as MFSA 2016-89 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is traded as CVE-2016-5296. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/31/2018).

The vulnerability scanner Nessus provides a plugin with the ID 900015 (Debian DLA-752-1 : icedove security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236194 (Red Hat Update for firefox (RHSA-2016:2780)).

Upgrading to version 50 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 (900015). The entries 93625, 93626, 93627 and 93628 are related to this item.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 900015
Nessus Name: Debian DLA-752-1 : icedove security update
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for firefox CESA-2016:2780 centos6
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 50

Timelineinfo

11/15/2016 🔍
11/15/2016 +0 days 🔍
11/16/2016 +1 days 🔍
11/16/2016 +0 days 🔍
01/31/2018 +441 days 🔍
06/11/2018 +130 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-89
Status: Confirmed

CVE: CVE-2016-5296 (🔍)
OVAL: 🔍

SecurityTracker: 1037298 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Spoof URLs, Modify Files, and Obtain Potentially Sensitive Information
SecurityFocus: 94339

See also: 🔍

Entryinfo

Created: 11/16/2016 14:03
Updated: 01/31/2018 09:52
Changes: 11/16/2016 14:03 (47), 01/31/2018 09:52 (24)
Complete: 🔍

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