CVE-2012-0840

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• Apache APR - Hash Collision Denial of Service2012-01-05 · dos · linux · Verified

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://mail-archives.apache.org/mod_mbox/apr-commits/201201.mbox/%3C20120115003715.071D423888FD%40eris.apache.org%3E
• http://openwall.com/lists/oss-security/2012/02/08/3
• http://openwall.com/lists/oss-security/2012/02/09/1
• http://secunia.com/advisories/47862
• http://svn.apache.org/viewvc?rev=1231605&view=rev
• http://www.mail-archive.com/dev%40apr.apache.org/msg24439.html
• http://www.mail-archive.com/dev%40apr.apache.org/msg24472.html
• http://www.mail-archive.com/dev%40apr.apache.org/msg24473.html
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:019
• https://exchange.xforce.ibmcloud.com/vulnerabilities/73096
• http://mail-archives.apache.org/mod_mbox/apr-commits/201201.mbox/%3C20120115003715.071D423888FD%40eris.apache.org%3E
• http://openwall.com/lists/oss-security/2012/02/08/3
• http://openwall.com/lists/oss-security/2012/02/09/1
• http://secunia.com/advisories/47862
• http://svn.apache.org/viewvc?rev=1231605&view=rev
• http://www.mail-archive.com/dev%40apr.apache.org/msg24439.html
• http://www.mail-archive.com/dev%40apr.apache.org/msg24472.html
• http://www.mail-archive.com/dev%40apr.apache.org/msg24473.html
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:019
• https://exchange.xforce.ibmcloud.com/vulnerabilities/73096