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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-200502-28] PuTTY: Remote code execution Vulnerability Assessment Details
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[GLSA-200502-28] PuTTY: Remote code execution |
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PuTTY: Remote code execution Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200502-28 (PuTTY: Remote code execution) Two vulnerabilities have been discovered in the PSCP and PSFTP clients, which can be triggered by the SFTP server itself. These issues are caused by the improper handling of the FXP_READDIR response, along with other string fields. Impact A possible hacker can setup a malicious SFTP server that would send these malformed responses to a client, potentially permiting the execution of arbitrary code on their system. Workaround There is no known workaround at this time. References: http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-sftp-readdir.html http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-sftp-string.html http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0467 http://www.idefense.com/application/poi/display?id=201&type=vulnerabilities Solution: All PuTTY users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/putty-0.57" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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