FreeType up to 2.5.3 tt_cmap4_validate memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in FreeType up to 2.5.3. Impacted is the function tt_cmap4_validate. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2014-9656. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in FreeType up to 2.5.3 (Software Library). It has been rated as critical. Affected by this issue is the function tt_cmap4_validate. 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 weakness was shared 12/06/2014 by Mateusz Jurczyk (j00ru) with Google as FreeType 2.5.4 as confirmed news (Website). The advisory is available at freetype.org. This vulnerability is handled as CVE-2014-9656 since 02/07/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 82479 (Debian DLA-185-1 : freetype 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 115089 (Solaris 11.2 Support Repository Update (SRU) 10.5.0 Missing).

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 Tenable (82479), SecurityFocus (BID 72986†) and SecurityTracker (ID 1031711†). The entries VDB-67449, VDB-69067, VDB-69068 and VDB-69069 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 82479
Nessus Name: Debian DLA-185-1 : freetype security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703188
OpenVAS Name: Debian Security Advisory DSA 3188-1 (freetype - 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: 🔍

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 🔍
02/09/2015 +1 days 🔍
03/09/2015 +28 days 🔍
03/08/2022 +2556 days 🔍

Sourcesinfo

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

CVE: CVE-2014-9656 (🔍)
GCVE (CVE): GCVE-0-2014-9656
GCVE (VulDB): GCVE-100-69074

OVAL: 🔍

SecurityFocus: 72986 - FreeType Versions Prior to 2.5.4 Multiple Remote Vulnerabilities
SecurityTracker: 1031711 - FreeType Multiple Flaws Let Remote Users Bypass Security Features, Deny Service, and Execute Arbitrary Code

See also: 🔍

Entryinfo

Created: 02/09/2015 15:59
Updated: 03/08/2022 20:30
Changes: 02/09/2015 15:59 (63), 07/09/2017 08:20 (16), 03/08/2022 20:23 (4), 03/08/2022 20:30 (1)
Complete: 🔍
Cache ID: 216:CE7:103

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

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