Amazon Linux AMI update for subversion

Published: 2013-09-04

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2013-4131
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Amazon Linux AMI Operating systems & Components / Operating system
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU32635

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-4131

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote #AU# to perform service disruption.

The mod_dav_svn Apache HTTPD server module in Subversion 1.7.0 through 1.7.10 and 1.8.x before 1.8.1 allows remote authenticated users to cause a denial of service (assertion failure or out-of-bounds read) via a certain (1) COPY, (2) DELETE, or (3) MOVE request against a revision root.

Mitigation

Update the affected packages:

i686:
    subversion-perl-1.7.13-1.32.amzn1.i686
    subversion-javahl-1.7.13-1.32.amzn1.i686
    subversion-python-1.7.13-1.32.amzn1.i686
    subversion-ruby-1.7.13-1.32.amzn1.i686
    subversion-libs-1.7.13-1.32.amzn1.i686
    mod_dav_svn-1.7.13-1.32.amzn1.i686
    subversion-tools-1.7.13-1.32.amzn1.i686
    subversion-debuginfo-1.7.13-1.32.amzn1.i686
    subversion-devel-1.7.13-1.32.amzn1.i686
    subversion-1.7.13-1.32.amzn1.i686

src:
    subversion-1.7.13-1.32.amzn1.src

x86_64:
    subversion-debuginfo-1.7.13-1.32.amzn1.x86_64
    subversion-python-1.7.13-1.32.amzn1.x86_64
    subversion-libs-1.7.13-1.32.amzn1.x86_64
    subversion-javahl-1.7.13-1.32.amzn1.x86_64
    subversion-devel-1.7.13-1.32.amzn1.x86_64
    mod_dav_svn-1.7.13-1.32.amzn1.x86_64
    subversion-perl-1.7.13-1.32.amzn1.x86_64
    subversion-tools-1.7.13-1.32.amzn1.x86_64
    subversion-ruby-1.7.13-1.32.amzn1.x86_64
    subversion-1.7.13-1.32.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3

cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*

External links

https://alas.aws.amazon.com/ALAS-2013-221.html

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.