National Cyber Awareness System

Vulnerability Summary for CVE-2012-0840

Overview

tables/apr_hash.c in the Apache Portable Runtime (APR) library through 1.4.5 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: CONFIRM

Name: http://svn.apache.org/viewvc?rev=1231605&view=rev

Type: Patch Information

Hyperlink:http://svn.apache.org/viewvc?rev=1231605&view=rev

External Source: XF

Name: apacheapr-hash-dos(73096)

Hyperlink:http://xforce.iss.net/xforce/xfdb/73096

External Source: MLIST

Name: [dev] 20120114 Re: Hash collision vectors in APR?

Hyperlink:http://www.mail-archive.com/dev%40apr.apache.org/msg24473.html

External Source: MLIST

Name: [dev] 20120113 Re: Hash collision vectors in APR?

Hyperlink:http://www.mail-archive.com/dev%40apr.apache.org/msg24472.html

External Source: MLIST

Name: [dev] 20120105 Hash collision vectors in APR?

Hyperlink:http://www.mail-archive.com/dev%40apr.apache.org/msg24439.html

External Source: SECUNIA

Name: 47862

Type: Advisory

Hyperlink:http://secunia.com/advisories/47862

External Source: MLIST

Name: [oss-security] 20120208 Re: CVE request: apr - Hash DoS vulnerability

Hyperlink:http://openwall.com/lists/oss-security/2012/02/09/1

External Source: MLIST

Name: [oss-security] 20120208 CVE request: apr - Hash DoS vulnerability

Hyperlink:http://openwall.com/lists/oss-security/2012/02/08/3

External Source: MLIST

Name: [apr-commits] 20120115 svn commit: r1231605 - /apr/apr/trunk/tables/apr_hash.c

Hyperlink:http://mail-archives.apache.org/mod_mbox/apr-commits/201201.mbox/%3C20120115003715.071D423888FD@eris.apache.org%3E