FreeType 2 truetype/ttobjs.c tt_size_reset out-of-bounds write

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

Summaryinfo

A vulnerability has been found in FreeType 2 and classified as critical. This issue affects the function tt_size_reset of the file truetype/ttobjs.c. The manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2017-7864. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in FreeType 2 (Software Library) (the affected version unknown) and classified as critical. This issue affects the function tt_size_reset of the file truetype/ttobjs.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

FreeType 2 before 2017-02-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tt_size_reset function in truetype/ttobjs.c.

The bug was discovered 04/14/2017. The weakness was released 04/14/2017 (Website). It is possible to read the advisory at git.savannah.gnu.org. The identification of this vulnerability is CVE-2017-7864 since 04/14/2017. The exploitation is known to be easy. 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 100657 (GLSA-201706-14 : FreeType: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170755 (SUSE Enterprise Linux Security Update for freetype2 (SUSE-SU-2018:0414-1)).

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

The vulnerability is also documented in the databases at Tenable (100657) and SecurityFocus (BID 97673†). Entries connected to this vulnerability are available at VDB-99844 and VDB-99845. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 100657
Nessus Name: GLSA-201706-14 : FreeType: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 11003
OpenVAS Name: SuSE Update for freetype2 openSUSE-SU-2018:0420-1 (freetype2)
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

02/02/2017 🔍
02/02/2017 +0 days 🔍
04/14/2017 +71 days 🔍
04/14/2017 +0 days 🔍
04/14/2017 +0 days 🔍
04/14/2017 +0 days 🔍
04/14/2017 +0 days 🔍
06/07/2017 +54 days 🔍
11/29/2022 +2001 days 🔍

Sourcesinfo

Advisory: git.savannah.gnu.org
Status: Not defined

CVE: CVE-2017-7864 (🔍)
GCVE (CVE): GCVE-0-2017-7864
GCVE (VulDB): GCVE-100-99851
SecurityFocus: 97673 - FreeType 2 CVE-2017-7864 Out of Bounds Write Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7864 - FreeType 2 - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 04/14/2017 11:13
Updated: 11/29/2022 11:16
Changes: 04/14/2017 11:13 (73), 08/31/2020 09:39 (4), 11/29/2022 11:16 (4)
Complete: 🔍
Cache ID: 216:72B:103

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