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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-200411-15] OpenSSL, Groff: Insecure tempfile handling Vulnerability Assessment Details
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[GLSA-200411-15] OpenSSL, Groff: Insecure tempfile handling |
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OpenSSL, Groff: Insecure tempfile handling Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200411-15 (OpenSSL, Groff: Insecure tempfile handling) groffer and the der_chop script create temporary files in world-writeable directories with predictable names. Impact A local attacker could create symbolic links in the temporary files directory, pointing to a valid file somewhere on the filesystem. When groffer or der_chop is executed, this would result in the file being overwritten with the rights of the user running the utility, which could be the root user. Workaround There is no known workaround at this time. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0969 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0975 Solution: All Groff users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/groff-1.19.1-r2" All OpenSSL users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/openssl-0.9.7d-r2" Note: /etc/ssl/misc/der_chop is protected by Portage as a configuration file. Don't forget to use etc-update and overwrite the old version with the new one. Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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