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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-200411-27] Fcron: Multiple vulnerabilities Vulnerability Assessment Details
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[GLSA-200411-27] Fcron: Multiple vulnerabilities |
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Fcron: Multiple vulnerabilities Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200411-27 (Fcron: Multiple vulnerabilities) Due to design errors in the fcronsighup program, Fcron may permit a local user to bypass access restrictions (CVE-2004-1031), view the contents of root owned files (CVE-2004-1030), remove arbitrary files or create empty files (CVE-2004-1032), and send a SIGHUP to any process. A vulnerability also exists in fcrontab which may permit local users to view the contents of fcron.permit and fcron.deny (CVE-2004-1033). Impact A local attacker could exploit these vulnerabilities to perform a Denial of Service on the system running Fcron. Workaround Make sure the fcronsighup and fcrontab binaries are only executable by trusted users. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1030 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1031 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1032 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1033 Solution: All Fcron users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/fcron-2.0.2" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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