FreeType 2.5.3 _bdf_parse_glyphs null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in FreeType 2.5.3 (Software Library) and classified as problematic. This issue affects the function _bdf_parse_glyphs. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.

The weakness was released 12/06/2014 by Mateusz Jurczyk (j00ru) with Google as FreeType 2.5.4 as confirmed news (Website). It is possible to read the advisory at freetype.org. The identification of this vulnerability is CVE-2014-9660 since 02/07/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 82509 (Amazon Linux AMI : freetype (ALAS-2015-502)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350200 (Amazon Linux Security Advisory for freetype: ALAS-2015-502).

Upgrading to version 2.5.4 eliminates this vulnerability. The upgrade is hosted for download at sourceforge.net. A possible mitigation has been published immediately after the disclosure of the vulnerability. The news contains the following remark:

FreeType 2.5.4 has been released. All users should upgrade due to another fix for vulnerability CVE-2014-2240 in the CFF driver. The library also contains a new round of patches for better protection against malformed fonts.

The vulnerability is also documented in the databases at X-Force (100800) and Tenable (82509). Entries connected to this vulnerability are available at 69067, 69068, 69069 and 69070.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82509
Nessus Name: Amazon Linux AMI : freetype (ALAS-2015-502)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2015-502
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: FreeType 2.5.4
Patch: git.savannah.gnu.org

Timelineinfo

12/06/2014 🔍
12/06/2014 +0 days 🔍
02/07/2015 +63 days 🔍
02/08/2015 +1 days 🔍
02/08/2015 +0 days 🔍
02/08/2015 +0 days 🔍
02/09/2015 +1 days 🔍
02/24/2015 +15 days 🔍
03/09/2015 +13 days 🔍
03/08/2022 +2556 days 🔍

Sourcesinfo

Advisory: FreeType 2.5.4
Researcher: Mateusz Jurczyk (j00ru)
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9660 (🔍)
OVAL: 🔍

X-Force: 100800
SecurityTracker: 1031711 - FreeType Multiple Flaws Let Remote Users Bypass Security Features, Deny Service, and Execute Arbitrary Code
Vulnerability Center: 48735 - FreeType <2.5.4 Remote DoS or Code Execution due to Null Pointer Dereference via Crafted BDF Font, High
SecurityFocus: 72986 - FreeType Versions Prior to 2.5.4 Multiple Remote Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/09/2015 15:59
Updated: 03/08/2022 19:46
Changes: 02/09/2015 15:59 (75), 06/20/2017 08:54 (11), 03/08/2022 19:38 (4), 03/08/2022 19:46 (1)
Complete: 🔍

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