Mozilla Firefox 44 Graphite2 Code memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Mozilla Firefox 44. Affected by this issue is the function graphite2::vm::Machine::Code::Code of the component Graphite2. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2016-2796. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Mozilla Firefox 44 (Web Browser). This affects the function graphite2::vm::Machine::Code::Code of the component Graphite2. 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 weakness was published 03/08/2016 by Holger Fuhrmannek as MFSA 2016-37 as confirmed security advisory (Website). The advisory is shared at mozilla.org. This vulnerability is uniquely identified as CVE-2016-2796 since 03/01/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/09/2022).

The vulnerability scanner Nessus provides a plugin with the ID 89763 (CentOS 5 / 6 / 7 : firefox (CESA-2016:0373)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196453 (Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-2934-1)).

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

The vulnerability is also documented in the databases at X-Force (111346), Tenable (89763), SecurityFocus (BID 84222†) and Vulnerability Center (SBV-57134†). Similar entries are available at VDB-81201, VDB-81203, VDB-81206 and VDB-81207. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89763
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2016:0373)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703510
OpenVAS Name: Debian Security Advisory DSA 3510-1 (iceweasel - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/01/2016 🔍
03/07/2016 +6 days 🔍
03/07/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/13/2016 +4 days 🔍
07/09/2022 +2309 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-37
Researcher: Holger Fuhrmannek
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2796 (🔍)
GCVE (CVE): GCVE-0-2016-2796
GCVE (VulDB): GCVE-100-81225

OVAL: 🔍

X-Force: 111346 - Mozilla Firefox Graphite2 buffer overflow
SecurityFocus: 84222 - Graphite2 library Multiple Security Vulnerabilities
SecurityTracker: 1035215
Vulnerability Center: 57134 - Mozilla Firefox <45 and <ESR 38.7 Remote DoS due to a Vulnerability in Graphite 2 Library - CVE-2016-2796, High

See also: 🔍

Entryinfo

Created: 03/09/2016 10:19
Updated: 07/09/2022 13:55
Changes: 03/09/2016 10:19 (70), 09/02/2018 10:26 (20), 07/09/2022 13:55 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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