CVE-2017-12836

Publication date 13 August 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

CVS 1.12.x, when configured to use SSH for remote repositories, might allow remote attackers to execute arbitrary code via a repository URL with a crafted hostname, as demonstrated by "-oProxyCommand=id;localhost:/bar."

Read the notes from the security team

Status

Package Ubuntu Release Status
cvs 17.04 zesty
Fixed 2:1.12.13+real-22ubuntu0.1
16.04 LTS xenial
Fixed 2:1.12.13+real-15ubuntu0.1
14.04 LTS trusty
Fixed 2:1.12.13+real-12ubuntu0.1

Notes

sbeattie

patch in debian bug report

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references