Secunia Security Advisory - A vulnerability has been reported in Apache APR, which can be exploited by malicious people to cause a DoS (Denial of Service).
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TITLE:
Apache APR Web Form Hash Collision Denial of Service Vulnerability
SECUNIA ADVISORY ID:
SA47862
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RELEASE DATE:
2012-02-09
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DESCRIPTION:
A vulnerability has been reported in Apache APR, which can be
exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within a hash generation
function when hashing form posts and updating a hash table. This can
be exploited to cause a hash collision resulting in high CPU
consumption via a specially crafted form sent in a HTTP POST
request.
The vulnerability is reported in version 1.4.5. Other versions may
also be affected.
SOLUTION:
Currently there is no known workaround.
PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.
ORIGINAL ADVISORY:
http://www.mail-archive.com/dev%40apr.apache.org/msg24439.html
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
DEEP LINKS:
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EXTENDED DESCRIPTION:
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EXTENDED SOLUTION:
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EXPLOIT:
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