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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200512-02] Webmin, Usermin: Format string vulnerability


Vulnerability Assessment Details

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

Vulnerability Assessment Summary
Webmin, Usermin: Format string vulnerability

Detailed Explanation for this Vulnerability Assessment
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 "miniserv.pl"
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.

References:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3912
http://www.dyadsecurity.com/webmin-0001.html


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"


Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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