Git 2.8.0 Repository memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Git 2.8.0 and classified as problematic. The impacted element is an unknown function of the component Repository. This manipulation causes memory corruption. This vulnerability is registered as CVE-2016-2315. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Git 2.8.0 (Versioning Software). It has been declared as critical. Affected by this vulnerability is an unknown part of the component Repository. 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:

revision.c in git before 2.7.4 uses an incorrect integer data type, which allows remote attackers to execute arbitrary code via a (1) long filename or (2) many nested trees, leading to a heap-based buffer overflow.

The weakness was published 03/16/2016 (Website). The advisory is shared at lists.fedoraproject.org. This vulnerability is known as CVE-2016-2315 since 02/11/2016. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 89941 (Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : git (SSA:2016-075-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 296001 (Solaris 11.3 Support Repository Update (SRU) 8.7.0 Missing).

Upgrading to version 2.8.0-rc3 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 X-Force (111524), Tenable (89941), SecurityFocus (BID 84355†) and Vulnerability Center (SBV-57342†). Similar entries are available at VDB-79059, VDB-79061, VDB-80819 and VDB-81384. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89941
Nessus Name: Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : git (SSA:2016-075-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2016-672
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Git 2.8.0-rc3
Patch: github.com

Timelineinfo

02/11/2016 🔍
02/11/2016 +0 days 🔍
03/15/2016 +33 days 🔍
03/15/2016 +0 days 🔍
03/16/2016 +1 days 🔍
03/16/2016 +0 days 🔍
03/16/2016 +0 days 🔍
03/18/2016 +2 days 🔍
04/08/2016 +20 days 🔍
07/10/2022 +2284 days 🔍

Sourcesinfo

Product: github.com

Advisory: USN-2938-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2315 (🔍)
GCVE (CVE): GCVE-0-2016-2315
GCVE (VulDB): GCVE-100-81385

OVAL: 🔍

X-Force: 111524 - GIT buffer overflow
SecurityFocus: 84355 - GIT Multiple Heap Based Buffer Overflow Vulnerabilities
SecurityTracker: 1035290
Vulnerability Center: 57342 - Git <2.7.3 Remote Code Execution via a Buffer Overflow - CVE-2016-2315, Critical

See also: 🔍

Entryinfo

Created: 03/18/2016 09:02
Updated: 07/10/2022 14:26
Changes: 03/18/2016 09:02 (76), 02/01/2019 14:34 (12), 07/10/2022 14:24 (5), 07/10/2022 14:26 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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