Vulnerability Description
Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lars Hjemli | Cgit | <= 0.8.3.4 |
| Fedoraproject | Fedora | 13 |
Related Weaknesses (CWE)
References
- http://article.gmane.org/gmane.comp.version-control.git/168493Broken Link
- http://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fBroken LinkPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055896.htmlMailing ListPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055898.htmlMailing ListPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055966.htmlMailing List
- http://openwall.com/lists/oss-security/2011/03/07/3Mailing ListPatchThird Party Advisory
- http://secunia.com/advisories/43633Broken LinkVendor Advisory
- http://secunia.com/advisories/43788Broken LinkVendor Advisory
- http://www.osvdb.org/71005Broken Link
- http://www.securityfocus.com/bid/46756Broken LinkExploitThird Party Advisory
- http://www.vupen.com/english/advisories/2011/0667Broken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=680905ExploitIssue TrackingPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65919Third Party AdvisoryVDB Entry
- http://article.gmane.org/gmane.comp.version-control.git/168493Broken Link
- http://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fBroken LinkPatch
FAQ
What is CVE-2011-1027?
CVE-2011-1027 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (p...
How severe is CVE-2011-1027?
CVE-2011-1027 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1027?
Check the references section above for vendor advisories and patch information. Affected products include: Lars Hjemli Cgit, Fedoraproject Fedora.