GLSA-200512-02 : Webmin, Usermin: Format string vulnerability

This script is Copyright (C) 2005-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200512-02
(Webmin, Usermin: Format string vulnerability)

Jack Louis discovered that the Webmin and Usermin ''
web server component is vulnerable to a Perl format string
vulnerability. Login with the supplied username is logged via the Perl
'syslog' facility in an unsafe manner.

Impact :

A remote attacker can trigger this vulnerability via a specially
crafted username containing format string data. This can be exploited
to consume a large amount of CPU and memory resources on a vulnerable
system, and possibly to execute arbitrary code of the attacker's choice
with the permissions of the user running Webmin.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All Webmin users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-admin/webmin-1.250'
All Usermin users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-admin/usermin-1.180'

Risk factor :

High / CVSS Base Score : 7.5
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 20281 (gentoo_GLSA-200512-02.nasl)

Bugtraq ID:

CVE ID: CVE-2005-3912

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