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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-200509-17] Webmin, Usermin: Remote code execution through PAM authentication Vulnerability Assessment Details
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[GLSA-200509-17] Webmin, Usermin: Remote code execution through PAM authentication |
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Webmin, Usermin: Remote code execution through PAM authentication Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200509-17 (Webmin, Usermin: Remote code execution through PAM authentication) Keigo Yamazaki discovered that the miniserv.pl webserver, used in both Webmin and Usermin, does not properly validate authentication credentials before sending them to the PAM (Pluggable Authentication Modules) authentication process. The default configuration shipped with Gentoo does not enable the "full PAM conversations" option and is therefore unaffected by this flaw. Impact A remote attacker could bypass the authentication process and run any command as the root user on the target server. Workaround Do not enable "full PAM conversations" in the Authentication options of Webmin and Usermin. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3042 http://www.lac.co.jp/business/sns/intelligence/SNSadvisory_e/83_e.html Solution: All Webmin users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-admin/webmin-1.230" All Usermin users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-admin/usermin-1.160" Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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