Git up to 2.3.9/2.4.9/2.5.3/2.6.0 Remote Helper input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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9.6$0-$5k0.00

A vulnerability has been found in Git up to 2.3.9/2.4.9/2.5.3/2.6.0 (Versioning Software) and classified as very critical. Affected by this vulnerability is an unknown part of the component Remote Helper. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 04/13/2016 (Website). The advisory is shared at lkml.org. This vulnerability is known as CVE-2015-7545 since 09/29/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/24/2022).

The vulnerability scanner Nessus provides a plugin with the ID 87339 (Amazon Linux AMI : git (ALAS-2015-613)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context local. 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 2.3.10, 2.4.10, 2.5.4 or 2.6.1 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 vulnerability database at Tenable (87339). The entries 79059, 79061, 80819 and 81385 are related to this item.

Productinfo

Type

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87339
Nessus Name: Amazon Linux AMI : git (ALAS-2015-613)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703435
OpenVAS Name: Debian Security Advisory DSA 3435-1 (git - 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: 🔍

Upgrade: Git 2.3.10/2.4.10/2.5.4/2.6.1

Timelineinfo

09/29/2015 🔍
10/05/2015 +6 days 🔍
12/13/2015 +70 days 🔍
12/14/2015 +1 days 🔍
04/13/2016 +120 days 🔍
04/13/2016 +0 days 🔍
04/14/2016 +1 days 🔍
07/24/2022 +2292 days 🔍

Sourcesinfo

Advisory: USN-2835-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7545 (🔍)
OVAL: 🔍

SecurityTracker: 1034501
SecurityFocus: 78711 - Git CVE-2015-7545 Remote Command Execution Vulnerability

See also: 🔍

Entryinfo

Created: 04/14/2016 09:56 AM
Updated: 07/24/2022 09:26 AM
Changes: 04/14/2016 09:56 AM (55), 10/05/2018 07:51 AM (23), 07/24/2022 09:23 AM (4), 07/24/2022 09:26 AM (1)
Complete: 🔍

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