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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-200606-02] shadow: Privilege escalation Vulnerability Assessment Details
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[GLSA-200606-02] shadow: Privilege escalation |
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shadow: Privilege escalation Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200606-02 (shadow: Privilege escalation) When the mailbox is created in useradd, the "open()" function does not receive the three arguments it expects while O_CREAT is present, which leads to random permissions on the created file, before fchmod() is executed. Impact Depending on the random permissions given to the mailbox file which is at this time owned by root, a local user may be able to open this file for reading or writing, or even executing it, maybe as the root user. Workaround There is no known workaround at this time. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1174 Solution: All shadow users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.0.15-r2" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2006 Michel Arboi |
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