CVE-2006-0591

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.securityfocus.com/archive/1/424260/100/0/threaded
• http://secunia.com/advisories/20653
• https://exchange.xforce.ibmcloud.com/vulnerabilities/24590
• http://secunia.com/advisories/20782
• http://www.redhat.com/support/errata/RHSA-2006-0526.html
• http://secunia.com/advisories/18772
• ftp://patches.sgi.com/support/free/security/advisories/20060602-01-U.asc
• http://www.osvdb.org/23005
• http://secunia.com/advisories/20232
• http://www.vupen.com/english/advisories/2006/0477
• http://support.avaya.com/elmodocs2/security/ASA-2006-113.htm
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11502
• http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/glibc/crypt_blowfish/crypt_gensalt.c?only_with_tag=CRYPT_BLOWFISH_1_0

References

• http://www.securityfocus.com/archive/1/424260/100/0/threaded
• http://secunia.com/advisories/20653
• https://exchange.xforce.ibmcloud.com/vulnerabilities/24590
• http://secunia.com/advisories/20782
• http://www.redhat.com/support/errata/RHSA-2006-0526.html
• http://secunia.com/advisories/18772
• ftp://patches.sgi.com/support/free/security/advisories/20060602-01-U.asc
• http://www.osvdb.org/23005
• http://secunia.com/advisories/20232
• http://www.vupen.com/english/advisories/2006/0477
• http://support.avaya.com/elmodocs2/security/ASA-2006-113.htm
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11502
• http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/glibc/crypt_blowfish/crypt_gensalt.c?only_with_tag=CRYPT_BLOWFISH_1_0

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