Permissions, Privileges, and Access Controls in Subversion

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU32571

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-4505

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

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 rc1 - 1.7.13

CPE2.3

• cpe:2.3:a:apache_foundation:subversion:1.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:subversion:1.7.13:*:*:*:*:*:*:*

External links

https://lists.opensuse.org/opensuse-updates/2013-12/msg00029.html
https://lists.opensuse.org/opensuse-updates/2013-12/msg00048.html
https://osvdb.org/100364
https://secunia.com/advisories/55855
https://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.