Integer overflow in the crypt_raw method in the key-stretching implementation in jBCrypt before 0.4 makes it easier for remote attackers to determine cleartext values of password hashes via a brute-force attack against hashes associated with the maximum exponent.
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000033
http://jvn.jp/en/jp/JVN77718330/index.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151496.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151786.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151797.html
Published: 2015-02-28
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium