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vulnerability CVE-2012-0840

Apache APR: denial of service via hash collision

Synthesis of the vulnerability

An attacker could send data generating storage collisions, in order to overload a service.
Severity: 1/4.
Creation date: 22/02/2012.
Revision date: 24/02/2012.

Impacted products

Description of the vulnerability

The bulletin VIGILANCE-VUL-11254 describes a vulnerability which can be used to create a denial of service on several applications.

This vulnerability could impact APR. Apache indicates that there is no intrinsic vulnerability, and that the algorithm was optimized to mitigate potential hash collisions.

In order to simplify VIGILANCE-VUL-11254, which was too big, solutions for APR were moved here.

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Complete Vigil@nce bulletin

Apache APR: denial of service via hash collision

Characteristics

Title: Apache APR: denial of service via hash collision.
Keywords: APR Apache collision denial hash service.
Identifiers: BID-51917, CVE-2012-0840, FEDORA-2012-1656, FEDORA-2012-1709, MDVSA-2012:019, VIGILANCE-VUL-11380.
Pointed by: VIGILANCE-VUL-11254.

Information sources

Publications and announces
Source example: Changes for APR 1.4.6

Solutions for this vulnerability

Patch or workaround

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