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FreeBSD: FreeBSD -- Incorrect crypt() hashing (FreeBSD-SA-12:02.crypt) (CVE-2012-2143)

Severity CVSS Published Added Modified
4 (AV:N/AC:M/Au:N/C:N/I:P/A:N) July 04, 2012 May 07, 2014 February 20, 2017

Description

The crypt_des (aka DES-based crypt) function in FreeBSD before 9.0-RELEASE-p2, as used in PHP, PostgreSQL, and other products, does not process the complete cleartext password if this password contains a 0x80 character, which makes it easier for context-dependent attackers to obtain access via an authentication attempt with an initial substring of the intended password, as demonstrated by a Unicode password.

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References

Solution

freebsd-upgrade-base-7_4-release-p8

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