FreeType 2 psaux/psobjs.c t1_builder_close_contour memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeType 2. It has been declared as critical. The impacted element is the function t1_builder_close_contour of the file psaux/psobjs.c. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-8287. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in FreeType 2 (Software Library) (version now known) and classified as critical. This vulnerability affects the function t1_builder_close_contour of the file psaux/psobjs.c. 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. CVE summarizes:

FreeType 2 before 2017-03-26 has an out-of-bounds write caused by a heap-based buffer overflow related to the t1_builder_close_contour function in psaux/psobjs.c.

The bug was discovered 04/26/2017. The weakness was shared 04/27/2017 (Website). The advisory is shared for download at git.savannah.gnu.org. This vulnerability was named CVE-2017-8287 since 04/26/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 100009 (Fedora 25 : freetype (2017-5760b80676)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176017 (Debian Security Update for freetype (DSA 3839-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100009) and SecurityFocus (BID 99091†). The entries VDB-100570, VDB-133592 and VDB-133593 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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: 100009
Nessus Name: Fedora 25 : freetype (2017-5760b80676)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703839
OpenVAS Name: Debian Security Advisory DSA 3839-1 (freetype - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: git.savannah.gnu.org

Timelineinfo

03/26/2017 🔍
04/26/2017 +31 days 🔍
04/26/2017 +0 days 🔍
04/26/2017 +0 days 🔍
04/26/2017 +0 days 🔍
04/27/2017 +1 days 🔍
04/27/2017 +0 days 🔍
05/08/2017 +11 days 🔍
12/02/2022 +2034 days 🔍

Sourcesinfo

Advisory: FEDORA-2017-5760b80676
Researcher: monor
Status: Not defined

CVE: CVE-2017-8287 (🔍)
GCVE (CVE): GCVE-0-2017-8287
GCVE (VulDB): GCVE-100-100624

OVAL: 🔍

SecurityFocus: 99091 - FreeType 2 CVE-2017-8287 Out of Bounds Write Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2017-8287 - FreeType 2 - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 04/27/2017 16:49
Updated: 12/02/2022 11:00
Changes: 04/27/2017 16:49 (73), 09/21/2020 16:12 (5), 12/21/2020 15:47 (2), 12/02/2022 10:55 (3), 12/02/2022 11:00 (1)
Complete: 🔍
Cache ID: 216:00A:103

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