Resource management error in ViewVC - CVE-2009-5024
Published: May 24, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45031
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2009-5024
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ViewVC
Affected software:
ViewVC
ViewVC
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
ViewVC before 1.1.11 allows remote attackers to bypass the cvsdb row_limit configuration setting, and consequently conduct resource-consumption attacks, via the limit parameter, as demonstrated by a "query revision history" request.
How to mitigate CVE-2009-5024
Install update from vendor's website.
Sources
- http://openwall.com/lists/oss-security/2011/05/19/1
- http://openwall.com/lists/oss-security/2011/05/19/9
- http://viewvc.tigris.org/issues/show_bug.cgi?id=433
- http://viewvc.tigris.org/source/browse/*checkout*/viewvc/tags/1.1.11/CHANGES
- http://viewvc.tigris.org/source/browse/viewvc/trunk/lib/cvsdb.py?diff_format=u&view=log#rev2547
- http://viewvc.tigris.org/source/browse/viewvc/trunk/lib/viewvc.py?diff_format=u&r1=2547&r2=2546&pathrev=2547
- http://www.debian.org/security/2012/dsa-2563
- http://www.securityfocus.com/bid/47928