Graphite up to 1.2.3 libgraphite TtfUtil.cpp TtfUtil:LocaLookup Graphite Smart Font memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Graphite up to 1.2.3 and classified as critical. Affected by this vulnerability is the function TtfUtil:LocaLookup of the file TtfUtil.cpp of the component libgraphite. Executing a manipulation as part of Graphite Smart Font can lead to memory corruption. This vulnerability appears as CVE-2016-1526. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Graphite up to 1.2.3. This vulnerability affects the function TtfUtil:LocaLookup of the file TtfUtil.cpp of the component libgraphite. The manipulation as part of a Graphite Smart Font leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.

The weakness was presented 02/13/2016 as MFSA2016-14 as not defined advisory (Website). The advisory is available at mozilla.org. This vulnerability was named CVE-2016-1526. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 88728 (Debian DSA-3477-1 : iceweasel - 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 350005 (Amazon Linux Security Advisory for graphite2: ALAS-2016-696).

Upgrading to version 1.2.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (88728), SecurityFocus (BID 82991†) and Vulnerability Center (SBV-56450†). See VDB-80933, VDB-80934 and VDB-80935 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Mozilla Firefox up to 42.x
  • Mozilla Firefox ESR up to 38.6.0

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

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

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA 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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88728
Nessus Name: Debian DSA-3477-1 : iceweasel - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 80094
OpenVAS Name: Ubuntu Update for graphite2 USN-2902-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: Graphite 1.2.4

Timelineinfo

01/07/2016 🔍
02/05/2016 +29 days 🔍
02/09/2016 +4 days 🔍
02/12/2016 +3 days 🔍
02/13/2016 +1 days 🔍
02/13/2016 +0 days 🔍
10/23/2024 +3175 days 🔍

Sourcesinfo

Advisory: MFSA2016-14
Status: Not defined

CVE: CVE-2016-1526 (🔍)
GCVE (CVE): GCVE-0-2016-1526
GCVE (VulDB): GCVE-100-80938
SecurityFocus: 82991
Vulnerability Center: 56450 - Libgraphite 2-1.2.4 Remote DoS, Information Disclosure and Code Execution via a Specially Crafted Font - CVE-2016-1526, Medium

See also: 🔍

Entryinfo

Created: 02/13/2016 11:01
Updated: 10/23/2024 03:38
Changes: 02/13/2016 11:01 (46), 01/31/2018 09:55 (25), 07/08/2022 05:15 (2), 07/08/2022 05:28 (11), 07/08/2022 05:37 (1), 10/23/2024 03:38 (26)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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