Amazon Linux AMI update for subversion

Published: 2014-03-25

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2014-0032
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Amazon Linux AMI Operating systems & Components / Operating system
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU32573

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-0032

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The get_resource function in repos.c in the mod_dav_svn module in Apache Subversion before 1.7.15 and 1.8.x before 1.8.6, when SVNListParentPath is enabled, allows remote attackers to cause a denial of service (crash) via vectors related to the server root and request methods other than GET, as demonstrated by the "svn ls http://svn.example.com" command.

Mitigation

Update the affected packages:

i686:
    subversion-debuginfo-1.8.8-1.42.amzn1.i686
    subversion-devel-1.8.8-1.42.amzn1.i686
    subversion-python-1.8.8-1.42.amzn1.i686
    subversion-tools-1.8.8-1.42.amzn1.i686
    subversion-libs-1.8.8-1.42.amzn1.i686
    subversion-ruby-1.8.8-1.42.amzn1.i686
    subversion-perl-1.8.8-1.42.amzn1.i686
    subversion-javahl-1.8.8-1.42.amzn1.i686
    subversion-1.8.8-1.42.amzn1.i686
    mod_dav_svn-1.8.8-1.42.amzn1.i686

src:
    subversion-1.8.8-1.42.amzn1.src

x86_64:
    subversion-ruby-1.8.8-1.42.amzn1.x86_64
    subversion-javahl-1.8.8-1.42.amzn1.x86_64
    subversion-tools-1.8.8-1.42.amzn1.x86_64
    subversion-1.8.8-1.42.amzn1.x86_64
    subversion-perl-1.8.8-1.42.amzn1.x86_64
    subversion-libs-1.8.8-1.42.amzn1.x86_64
    subversion-devel-1.8.8-1.42.amzn1.x86_64
    mod_dav_svn-1.8.8-1.42.amzn1.x86_64
    subversion-debuginfo-1.8.8-1.42.amzn1.x86_64
    subversion-python-1.8.8-1.42.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2014-318.html

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.