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Vulnerability Assessment & Network Security Forums |
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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. Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200512-02] Webmin, Usermin: Format string vulnerability Vulnerability Assessment Details
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[GLSA-200512-02] Webmin, Usermin: Format string vulnerability |
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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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