CVE-2017-12976
high
CVSS v3
8.8
CVSS v4 NEW
โ
VIR risk
8.8
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.
Predictions
Exploit likelihood
92%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Fixed | 6.20171003-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.20170818-1 |
| sid | Fixed | 6.20170818-1 |
| forky | Fixed | 6.20170818-1 |
| bullseye | Fixed | 6.20170818-1 |
| bookworm | Fixed | 6.20170818-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| git-annex_project | git-annex | {"endIncluding":"6.20170520"} | |
References
- http://source.git-annex.branchable.com/?p=source.git%3Ba=blob%3Bf=doc/bugs/dashed_ssh_hostname_security_hole.mdwn
- http://source.git-annex.branchable.com/?p=source.git%3Ba=commit%3Bh=c24d0f0e8984576654e2be149005bc884fe0403a
- http://source.git-annex.branchable.com/?p=source.git%3Ba=commit%3Bh=df11e54788b254efebb4898b474de11ae8d3b471
- http://www.debian.org/security/2017/dsa-4010
- https://lists.debian.org/debian-lts-announce/2018/09/msg00004.html
- https://security-tracker.debian.org/tracker/CVE-2017-12976
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.