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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-200411-07] Proxytunnel: Format string vulnerability Vulnerability Assessment Details
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[GLSA-200411-07] Proxytunnel: Format string vulnerability |
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Proxytunnel: Format string vulnerability Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200411-07 (Proxytunnel: Format string vulnerability) Florian Schilhabel of the Gentoo Linux Security Audit project found a format string vulnerability in Proxytunnel. When the program is started in daemon mode (-a [port]), it improperly logs invalid proxy answers to syslog. Impact A malicious remote server could send specially-crafted invalid answers to exploit the format string vulnerability, potentially permiting the execution of arbitrary code on the tunnelling host with the rights of the Proxytunnel process. Workaround You can mitigate the issue by only permiting connections to trusted remote servers. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0992 http://proxytunnel.sourceforge.net/news.html Solution: All Proxytunnel users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/proxytunnel-1.2.3" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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