CVE-2017-12976
Publication date 20 August 2017
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| git-annex | 25.10 questing |
Not affected
|
| 25.04 plucky |
Not affected
|
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Vulnerable
|
|
| 14.04 LTS trusty | Not in release |
Notes
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
Other references
- http://source.git-annex.branchable.com/?p=source.git;a=commit;h=df11e54788b254efebb4898b474de11ae8d3b471
- http://source.git-annex.branchable.com/?p=source.git;a=commit;h=c24d0f0e8984576654e2be149005bc884fe0403a
- http://source.git-annex.branchable.com/?p=source.git;a=blob;f=doc/bugs/dashed_ssh_hostname_security_hole.mdwn
- https://www.cve.org/CVERecord?id=CVE-2017-12976