FreeType 2.5.3 Mac_Read_POST_Resource memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability classified as critical was found in FreeType 2.5.3 (Software Library). Affected by this vulnerability is the function Mac_Read_POST_Resource. The manipulation with an unknown input 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. The summary by CVE is:

Integer signedness error in the Mac_Read_POST_Resource function in base/ftobjs.c in FreeType before 2.5.4 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted Mac font.

The weakness was published 12/06/2014 by Mateusz Jurczyk (j00ru) with Google as FreeType 2.5.4 as confirmed news (Website). The advisory is shared at freetype.org. This vulnerability is known as CVE-2014-9673 since 02/07/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

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 (100828), Tenable (82509), SecurityFocus (BID 72986†), SecurityTracker (ID 1031711†) and Vulnerability Center (SBV-48749†). Similar entries are available at VDB-69067, VDB-69068, VDB-69069 and VDB-69070. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

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 🔍
03/09/2022 +2556 days 🔍

Sourcesinfo

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

CVE: CVE-2014-9673 (🔍)
GCVE: GCVE-0-2014-9673

OVAL: 🔍

X-Force: 100828 - FreeType Mac_Read_POST_Resource denial of service, Medium Risk
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
Vulnerability Center: 48749 - FreeType <2.5.4 Remote DoS or Code Execution due to Buffer Overflow via Crafted Mac Font, Medium

See also: 🔍

Entryinfo

Created: 02/09/2015 03:59 PM
Updated: 03/09/2022 12:29 AM
Changes: 02/09/2015 03:59 PM (80), 06/21/2017 01:26 AM (10), 03/09/2022 12:16 AM (3), 03/09/2022 12:29 AM (1)
Complete: 🔍
Cache ID: 18:769:40

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