8.8high

CVE-2017-12976

git-annex before 6.20170818 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the host…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.1%
percentile 88%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

3.12% probability of exploitation in the next 30 days, higher than 88% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • lists.debian.org /debian-lts-announce/2018/09/msg00004.html · mailing-list, x_refsource_MLIST, x_transferred
  • source.git-annex.branchable.com /?p=source.git%3Ba=commit%3Bh=c24d0f0e8984576654e2be149005bc884fe0403a · x_refsource_CONFIRM, x_transferred
  • source.git-annex.branchable.com /?p=source.git%3Ba=commit%3Bh=df11e54788b254efebb4898b474de11ae8d3b471 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-4010 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • source.git-annex.branchable.com /?p=source.git%3Ba=blob%3Bf=doc/bugs/dashed_ssh_hostname_security_hole.mdwn · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.