Vulnerability 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."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Cvs | 1.12.1 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
References
- http://lists.nongnu.org/archive/html/bug-cvs/2017-08/msg00000.htmlExploitMailing ListVendor Advisory
- http://www.debian.org/security/2017/dsa-3940Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/1ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/4Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/100279Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3399-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1480800Issue TrackingPatchThird Party Advisory
- https://security.gentoo.org/glsa/201709-17Third Party Advisory
- http://lists.nongnu.org/archive/html/bug-cvs/2017-08/msg00000.htmlExploitMailing ListVendor Advisory
- http://www.debian.org/security/2017/dsa-3940Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/1ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/4Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/100279Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3399-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1480800Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2017-12836?
CVE-2017-12836 is a vulnerability with a CVSS score of 7.5 (HIGH). 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=...
How severe is CVE-2017-12836?
CVE-2017-12836 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-12836?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Cvs, Canonical Ubuntu Linux, Debian Debian Linux.