pam_unix.so in Linux-PAM 0.99.7.0 allows context-dependent attackers to log into accounts whose password hash, as stored in /etc/passwd or /etc/shadow, has only two characters.Referenceshttp://osvdb.org/32017https://exchange.xforce.ibmcloud.com/vulnerabilities/31739http://www.novell.com/linux/security/advisories/2007_3_sr.htmlhttps://www.redhat.com/archives/pam-list/2007-January/msg00017.htmlhttp://www.redhat.com/archives/fedora-devel-list/2007-January/msg01271.htmlhttp://www.vupen.com/english/advisories/2007/0323http://www.redhat.com/archives/fedora-devel-list/2007-January/msg01277.htmlhttp://secunia.com/advisories/23858http://www.securityfocus.com/bid/22204
