CVE-2012-0840

35Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendepss 43%

from disclosure to weapon0 days

Published on NVDFeb 10

1st PoCJan 5

exploitation probability

43%top 1% of all CVEs

observed exploitation

nono source reports it

1 public exploit(s)

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

n/a · n/a

public PoCs found — 1✓ VexDay Proof

exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/36669

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

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 https://exchange.xforce.ibmcloud.com/vulnerabilities/73096 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