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Last updated: 10/23/2014 6:06:41 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-1027

Original release date: 03/19/2011
Last revised: 09/06/2011
Source: US-CERT/NIST

Overview

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

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: MLIST
Name: [git] 20110305 [ANNOUNCE] CGIT 0.8.3.5
External Source: CONFIRM
Name: http://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fccc548e
Type: Patch Information
External Source: BID
Name: 46756
External Source: FEDORA
Name: FEDORA-2011-2803
Type: Patch Information
External Source: OSVDB
Name: 71005
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=680905
Type: Patch Information; Exploit
External Source: VUPEN
Name: ADV-2011-0667
External Source: XF
Name: cgit-convertqueryhexchar-dos(65919)
External Source: SECUNIA
Name: 43788
Type: Advisory
External Source: FEDORA
Name: FEDORA-2011-2790
External Source: FEDORA
Name: FEDORA-2011-2815
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20110307 cgit convert_query_hexchar infinite loop (CVE-2011-1027)
Type: Patch Information
External Source: SECUNIA
Name: 43633
Type: Advisory

Technical Details

Vulnerability Type (View All)