Graphite up to 2-1.2.3 libgraphite FeatureMap.cpp SillMap::readFace null pointer dereference

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Graphite up to 2-1.2.3. This affects the function SillMap::readFace of the file FeatureMap.cpp of the component libgraphite. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2016-1523. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Graphite up to 2-1.2.3. It has been declared as problematic. Affected by this vulnerability is the function SillMap::readFace of the file FeatureMap.cpp of the component libgraphite. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

The SillMap::readFace function in FeatureMap.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, mishandles a return value, which allows remote attackers to cause a denial of service (missing initialization, NULL pointer dereference, and application crash) via a crafted Graphite smart font.

The weakness was published 02/13/2016 as MFSA2016-14 as not defined advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2016-1523. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

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-56777†). Similar entries are available at VDB-80933, VDB-80934, VDB-80938 and VDB-81359. Be aware that VulDB is the high quality source for vulnerability data.

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: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 703477
OpenVAS Name: Debian Security Advisory DSA 3477-1 (iceweasel - 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 🔍
02/05/2016 +29 days 🔍
02/12/2016 +7 days 🔍
02/13/2016 +1 days 🔍
02/13/2016 +0 days 🔍
02/28/2016 +15 days 🔍
10/23/2024 +3160 days 🔍

Sourcesinfo

Advisory: MFSA2016-14
Status: Not defined

CVE: CVE-2016-1523 (🔍)
GCVE (CVE): GCVE-0-2016-1523
GCVE (VulDB): GCVE-100-80935
SecurityFocus: 82991
SecurityTracker: 1035017
Vulnerability Center: 56777 - Libgraphite 2-1.2.4 Remote DoS, Information Disclosure and Code Execution via a Specially Crafted Font - CVE-2016-1523, Medium

See also: 🔍

Entryinfo

Created: 02/13/2016 11:01
Updated: 10/23/2024 03:38
Changes: 02/13/2016 11:01 (43), 01/31/2018 09:55 (25), 07/08/2022 04:18 (4), 07/08/2022 04:27 (11), 07/08/2022 04:42 (1), 10/23/2024 03:38 (26)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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