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Secunia Security Advisory 38432

Secunia Security Advisory 38432
Posted Feb 2, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A security issue has been reported in jBCrypt, which can potentially be exploited by malicious people to conduct brute-force attacks.

tags | advisory
SHA-256 | 484ce09bfcbaf299e3f69508288fe8688b637f660275e7f4151e652e4afae1ba

Secunia Security Advisory 38432

Change Mirror Download
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Secunia integrated with Microsoft WSUS
http://secunia.com/blog/71/



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TITLE:
jBCrypt Character Encoding Security Issue

SECUNIA ADVISORY ID:
SA38432

VERIFY ADVISORY:
http://secunia.com/advisories/38432/

DESCRIPTION:
A security issue has been reported in jBCrypt, which can potentially
be exploited by malicious people to conduct brute-force attacks.

The security issue is caused due to the application replacing
non-US-ASCII characters in passwords with a "?" character before
building the hash, which results in reduced entropy of hashed
passwords.

The security issue is reported in versions prior to 0.3.

SOLUTION:
Update to version 0.3 and generate hashes with new passwords.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Aliaksandr Radzivanovich.

ORIGINAL ADVISORY:
http://www.mindrot.org/files/jBCrypt/internat.adv

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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