CVE-2017-12976 Information

Description

git-annex before 6.20170818 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname as demonstrated by an ssh://-eProxyCommand= URL a related issue to CVE-2017-9800 CVE-2017-12836 CVE-2017-1000116 and CVE-2017-1000117.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://source.git-annex.branchable.com/?p=source.git;a=blob;f=doc/bugs/dashed_ssh_hostname_security_hole.mdwn http://source.git-annex.branchable.com/?p=source.git;a=commit;h=c24d0f0e8984576654e2be149005bc884fe0403a http://source.git-annex.branchable.com/?p=source.git;a=commit;h=df11e54788b254efebb4898b474de11ae8d3b471 http://www.debian.org/security/2017/dsa-4010 https://lists.debian.org/debian-lts-announce/2018/09/msg00004.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8