CVE-2018-17456

Publication date 6 October 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive “git clone” of a superproject if a .gitmodules file has a URL field beginning with a ‘-’ character.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
git	18.04 LTS bionic	Fixed 1:2.17.1-1ubuntu0.3
	16.04 LTS xenial	Fixed 1:2.7.4-0ubuntu1.5
	14.04 LTS trusty	Fixed 1:1.9.1-1ubuntu0.9

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
git	Upstream: ?id=98a Upstream: ?id=f6a Upstream: ?id=273 Upstream: ?id=a12 Upstream: ?id=1a7

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3791-1
Git vulnerability
12 October 2018