CVE-2009-0579

Publication date 16 April 2009

Last updated 24 July 2024


Ubuntu priority

Linux-PAM before 1.0.4 does not enforce the minimum password age (MINDAYS) as specified in /etc/shadow, which allows local users to bypass intended security policy and change their passwords sooner than specified.

Read the notes from the security team

Status

Package Ubuntu Release Status
pam 10.10 maverick
Not affected
10.04 LTS lucid
Not affected
9.10 karmic
Not affected
9.04 jaunty Ignored end of life
8.10 intrepid Ignored end of life, was needed
8.04 LTS hardy
Not affected
6.06 LTS dapper
Not affected

Notes


mdeslaur

pam below 1.0 have a check already as per debian bug: in _unix_verify_shadow, called from pam_sm_chauthtok: if ((curdays < (spwdent->sp_lstchg + spwdent->sp_min)) && (spwdent->sp_min != -1)) retval = PAM_AUTHTOK_ERR;