Vulnerability identifier: #VU32571

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-4505

CWE-ID: CWE-264

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 non-authenticated attacker to perform service disruption.

The is_this_legal function in mod_dontdothat for Apache Subversion 1.4.0 through 1.7.13 and 1.8.0 through 1.8.4 allows remote attackers to bypass intended access restrictions and possibly cause a denial of service (resource consumption) via a relative URL in a REPORT request.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Subversion: 1.4.0 - 1.4.0 rc5, 1.7.13

---

External links
http://lists.opensuse.org/opensuse-updates/2013-12/msg00029.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00048.html
http://osvdb.org/100364
http://secunia.com/advisories/55855
http://subversion.apache.org/security/CVE-2013-4505-advisory.txt

---

Q & A

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.