Vulnerability CVE-2015-0886
Published: 2015-02-27   Modified: 2015-02-28

Description:
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.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Mindrot -> Jbcrypt 
Fedoraproject -> Fedora 

 References:
https://bugzilla.mindrot.org/show_bug.cgi?id=2097
http://www.mindrot.org/projects/jBCrypt/news/rel04.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151797.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151786.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151496.html
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000033
http://jvn.jp/en/jp/JVN77718330/index.html
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