Vulnerability Assessment & Network Security Forums
If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
poppassd_pam: Unauthorized password changing
Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200501-22
(poppassd_pam: Unauthorized password changing)
Gentoo Linux developer Marcus Hanwell discovered that poppassd_pam
did not check that the old password was valid before changing
passwords. Our investigation revealed that poppassd_pam did not call
pam_authenticate before calling pam_chauthtok.
A remote attacker could change the system password of any user,
including root. This leads to a complete compromise of the POP
accounts, and may also lead to a complete root compromise of the
affected server, if it also provides shell access authenticated using
There is no known workaround at this time.
All poppassd_pam users should migrate to the new package called
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/poppassd_ceti-1.8.4"
Note: Portage will automatically replace the poppassd_pam
package by the poppassd_ceti package.
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2005 Michel Arboi
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