Vulnerability CVE-2006-0591
Published: 2006-02-07   Modified: 2012-02-12

Description:
The crypt_gensalt functions for BSDI-style extended DES-based and FreeBSD-sytle MD5-based password hashes in crypt_blowfish 0.4.7 and earlier do not evenly and randomly distribute salts, which makes it easier for attackers to guess passwords from a stolen password file due to the increased number of collisions.

Type:

CWE-310

 (Cryptographic Issues)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.2/10
2.9/10
1.9/10
Exploit range
Attack complexity
Authentication
Local
High
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Solar designer -> Crypt blowfish 

 References:
ftp://patches.sgi.com/support/free/security/advisories/20060602-01-U.asc
http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/glibc/crypt_blowfish/crypt_gensalt.c?only_with_tag=CRYPT_BLOWFISH_1_0
http://support.avaya.com/elmodocs2/security/ASA-2006-113.htm
http://www.redhat.com/support/errata/RHSA-2006-0526.html
http://www.securityfocus.com/archive/1/424260/100/0/threaded
http://www.vupen.com/english/advisories/2006/0477
https://exchange.xforce.ibmcloud.com/vulnerabilities/24590
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11502
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