CVE-2011-1027
MEDIUM severity · CVSS 5 · CWE-193
5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)4%
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fccc548e ↗
Additional information
- NVD record
- http://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fccc548ePatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055896.htmlPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055898.htmlPatch
- http://openwall.com/lists/oss-security/2011/03/07/3Patch
- http://secunia.com/advisories/43633Advisory
- http://secunia.com/advisories/43788Advisory
- http://article.gmane.org/gmane.comp.version-control.git/168493
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055966.html