Incomplete Processing of Cleartext Passwords in crypt_des Vulnerability

CVE-2012-2143 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

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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