#VU2933 Null pointer dereference in Subversion - CVE-2011-1752
Published: December 27, 2016 / Updated: March 16, 2017
Vulnerability identifier: #VU2933
Vulnerability risk: High
CVSSv4.0: 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:A/U:Amber
CVE-ID: CVE-2011-1752
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Subversion
Subversion
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote attacker to cause DoS conditions on the target system.
The weakness exists due to NULL pointer dereference in the mod_dav_svn module when processing baselined WebDAV resources. A remote attacker can create a specially crafted request, send it to the victim and cause the Subversion server to crash.
Successful exploitation of the vulnerability results in denial of service on the vulnerable system.
Note: the vulnerability was being actively exploited.
The weakness exists due to NULL pointer dereference in the mod_dav_svn module when processing baselined WebDAV resources. A remote attacker can create a specially crafted request, send it to the victim and cause the Subversion server to crash.
Successful exploitation of the vulnerability results in denial of service on the vulnerable system.
Note: the vulnerability was being actively exploited.
Remediation
Upgrade to the latest version of Apache Subversion (1.6.17 or later).