Git up to 2.3.9/2.4.9/2.5.3/2.6.0 Remote Helper input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.6 | $0-$5k | 0.00 |
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 summary by CVE is:
The (1) git-remote-ext and (2) unspecified other remote helper programs in Git before 2.3.10, 2.4.x before 2.4.10, 2.5.x before 2.5.4, and 2.6.x before 2.6.1 do not properly restrict the allowed protocols, which might allow remote attackers to execute arbitrary code via a URL in a (a) .gitmodules file or (b) unknown other sources in a submodule.
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 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 2.3.10, 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.
Product
Type
Name
Version
- 2.0
- 2.1
- 2.2
- 2.3
- 2.3.0
- 2.3.1
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.5
- 2.3.6
- 2.3.7
- 2.3.8
- 2.3.9
- 2.4
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 2.5
- 2.5.0
- 2.5.1
- 2.5.2
- 2.5.3
- 2.6
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Git 2.3.10/2.4.10/2.5.4/2.6.1
Timeline
09/29/2015 🔍10/05/2015 🔍
12/13/2015 🔍
12/14/2015 🔍
04/13/2016 🔍
04/13/2016 🔍
04/14/2016 🔍
07/24/2022 🔍
Sources
Advisory: USN-2835-1Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-7545 (🔍)
OVAL: 🔍
SecurityTracker: 1034501
SecurityFocus: 78711 - Git CVE-2015-7545 Remote Command Execution Vulnerability
See also: 🔍
Entry
Created: 04/14/2016 09:56Updated: 07/24/2022 09:26
Changes: 04/14/2016 09:56 (55), 10/05/2018 07:51 (23), 07/24/2022 09:23 (4), 07/24/2022 09:26 (1)
Complete: 🔍
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