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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-200612-03] GnuPG: Multiple vulnerabilities Vulnerability Assessment Details
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[GLSA-200612-03] GnuPG: Multiple vulnerabilities |
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GnuPG: Multiple vulnerabilities Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200612-03 (GnuPG: Multiple vulnerabilities) Hugh Warrington has reported a boundary error in GnuPG, in the "ask_outfile_name()" function from openfile.c: the make_printable_string() function could return a string longer than expected. Additionally, Tavis Ormandy of the Gentoo Security Team reported a design error in which a function pointer can be incorrectly dereferenced. Impact A remote attacker could entice a user to interactively use GnuPG on a crafted file and trigger the boundary error, which will result in a buffer overflow. They could also entice a user to process a signed or encrypted file with gpg or gpgv, possibly called through another application like a mail client, to trigger the dereference error. Both of these vulnerabilities would result in the execution of arbitrary code with the permissions of the user running GnuPG. gpg-agent, gpgsm and other tools are not affected. Workaround There is no known workaround at this time. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6169 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6235 Solution: All GnuPG users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "=app-crypt/gnupg-1.4*" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2006 Michel Arboi |
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