#VU32680 Buffer overflow in Subversion - CVE-2013-1845

Vulnerability identifier: #VU32680

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-1845

CWE-ID: CWE-119

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 #AU# to perform service disruption.

The mod_dav_svn Apache HTTPD server module in Subversion 1.6.x before 1.6.21 and 1.7.0 through 1.7.8 allows remote authenticated users to cause a denial of service (memory consumption) by (1) setting or (2) deleting a large number of properties for a file or directory. Per http://lists.opensuse.org/opensuse-updates/2013-04/msg00095.html "Affected Products: openSUSE 12.3 openSUSE 12.2 openSUSE 12.1"

Mitigation
Install update from vendor's website.

Vulnerable software versions

Subversion: 1.6.0 rc1 - 1.6.20

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External links
https://lists.opensuse.org/opensuse-updates/2013-04/msg00095.html
https://lists.opensuse.org/opensuse-updates/2013-06/msg00069.html
https://mail-archives.apache.org/mod_mbox/subversion-announce/201304.mbox/%3CCADkdwvRoyVrZV12tgC0FMGrc6%2BMisd3qTcZ%2BDdpFGgTahkgAkQ%40mail.gmail.com%3E
https://mail-archives.apache.org/mod_mbox/subversion-announce/201304.mbox/%3CCADkdwvSTMLbn4q_KM3Ph2UOeSiPGhEK4%3DSvwEjaHW_GUGkYWPQ%40mail.gmail.com%3E
https://rhn.redhat.com/errata/RHSA-2013-0737.html
https://subversion.apache.org/security/CVE-2013-1845-advisory.txt
https://www.mandriva.com/security/advisories?name=MDVSA-2013:153
https://www.ubuntu.com/usn/USN-1893-1
https://bugzilla.redhat.com/show_bug.cgi?id=929082
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18973

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.