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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-200511-09] Lynx: Arbitrary command execution Vulnerability Assessment Details
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[GLSA-200511-09] Lynx: Arbitrary command execution |
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Lynx: Arbitrary command execution Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200511-09 (Lynx: Arbitrary command execution) iDefense labs discovered a problem within the feature to execute local cgi-bin programs via the "lynxcgi:" URI handler. Due to a configuration error, the default settings permit websites to specify commands to run as the user running Lynx. Impact A remote attacker can entice a user to access a malicious HTTP server, causing Lynx to execute arbitrary commands. Workaround Disable "lynxcgi" links by specifying the following directive in lynx.cfg: TRUSTED_LYNXCGI:none References: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2929 http://www.idefense.com/application/poi/display?id=338&type=vulnerabilities Solution: All Lynx users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-client/lynx-2.8.5-r2" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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