CVE-2017-12836
UnknownEPSS 5.97%
Last modified
CVE-2017-12836 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 5.97% chance of exploitation in the next 30 days.
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."
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Cvs | 1.12.1 |
| Gnu | Cvs | 1.12.3 |
| Gnu | Cvs | 1.12.5 |
| Gnu | Cvs | 1.12.6 |
| Gnu | Cvs | 1.12.7 |
| Gnu | Cvs | 1.12.9 |
| Gnu | Cvs | 1.12.10 |
| Gnu | Cvs | 1.12.11 |
| Gnu | Cvs | 1.12.12 |
| Gnu | Cvs | 1.12.13 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.04 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
References
- http://lists.nongnu.org/archive/html/bug-cvs/2017-08/msg00000.htmlExploit, Mailing List, Vendor Advisory
- http://www.debian.org/security/2017/dsa-3940Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/1Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/100279Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3399-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1480800Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201709-17Third Party Advisory
- http://lists.nongnu.org/archive/html/bug-cvs/2017-08/msg00000.htmlExploit, Mailing List, Vendor Advisory
- http://www.debian.org/security/2017/dsa-3940Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/1Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/100279Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3399-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1480800Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201709-17Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-12836?
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."
How severe is CVE-2017-12836?
Severity scoring for CVE-2017-12836 is pending analysis. The EPSS model estimates a 5.97% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12836?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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