Graphite 2-1.2.4 libgraphite directmachine.cpp directrun memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Graphite 2-1.2.4. The affected element is the function directrun of the file directmachine.cpp of the component libgraphite. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2016-1521. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Graphite 2-1.2.4 and classified as critical. This issue affects the function directrun of the file directmachine.cpp of the component libgraphite. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The directrun function in directmachine.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, does not validate a certain skip operation, which allows remote attackers to execute arbitrary code, 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 shared at mozilla.org. The identification of this vulnerability is CVE-2016-1521. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 88762 (CentOS 5 / 6 / 7 : firefox (CESA-2016:0197)), 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 350005 (Amazon Linux Security Advisory for graphite2: ALAS-2016-696).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (88762), SecurityFocus (BID 82991†) and Vulnerability Center (SBV-56638†). See VDB-80934, VDB-80935, VDB-80938 and VDB-81359 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider 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: 8.3
VulDB Meta Temp Score: 8.2

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 88762
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2016:0197)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703479
OpenVAS Name: Debian Security Advisory DSA 3479-1 (graphite2 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Timelineinfo

01/07/2016 🔍
02/12/2016 +36 days 🔍
02/12/2016 +0 days 🔍
02/13/2016 +1 days 🔍
02/13/2016 +0 days 🔍
02/17/2016 +4 days 🔍
10/23/2024 +3171 days 🔍

Sourcesinfo

Advisory: MFSA2016-14
Status: Not defined

CVE: CVE-2016-1521 (🔍)
GCVE (CVE): GCVE-0-2016-1521
GCVE (VulDB): GCVE-100-80933
SecurityFocus: 82991
Vulnerability Center: 56638 - Libgraphite 2-1.2.4 Remote DoS, Information Disclosure and Code Execution via a Specially Crafted Font - CVE-2016-1521, Medium

See also: 🔍

Entryinfo

Created: 02/13/2016 11:00
Updated: 10/23/2024 03:38
Changes: 02/13/2016 11:00 (43), 01/31/2018 09:55 (25), 07/08/2022 03:28 (2), 07/08/2022 03:36 (11), 07/08/2022 03:43 (1), 10/23/2024 03:38 (26)
Complete: 🔍
Cache ID: 216::103

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