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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-200512-18] XnView: Privilege escalation Vulnerability Assessment Details
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[GLSA-200512-18] XnView: Privilege escalation |
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XnView: Privilege escalation Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200512-18 (XnView: Privilege escalation) Krzysiek Pawlik of Gentoo Linux discovered that the XnView package for IA32 used the DT_RPATH field insecurely, causing the dynamic loader to search for shared libraries in potentially untrusted directories. Impact A local attacker could create a malicious shared object that would be loaded and executed when a user attempted to use an XnView utility. This would permit a malicious user to effectively hijack XnView and execute arbitrary code with the rights of the user running the program. Workaround The system administrator may use the chrpath utility to remove the DT_RPATH field from the XnView utilities: # emerge app-admin/chrpath # chrpath --delete /opt/bin/nconvert /opt/bin/nview /opt/bin/xnview Solution: All XnView users on the x86 platform should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=x11-misc/xnview-1.70-r1" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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