Vulnerability identifier: #VU2933
Vulnerability risk: High
CVSSv3.1: 5.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L/E:F/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Subversion
Server applications /
Frameworks for developing and running applications
Vendor: 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.
Mitigation
Upgrade to the latest version of Apache Subversion (1.6.17 or later).
Vulnerable software versions
Subversion: 1.6.0 - 1.6.16
External links
http://subversion.apache.org/security/CVE-2011-1752-advisory.txt
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.