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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-200501-07] xine-lib: Multiple overflows Vulnerability Assessment Details
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[GLSA-200501-07] xine-lib: Multiple overflows |
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xine-lib: Multiple overflows Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200501-07 (xine-lib: Multiple overflows) Ariel Berkman discovered that xine-lib reads specific input data into an array without checking the input size in demux_aiff.c, making it vulnerable to a buffer overflow (CVE-2004-1300) . iDefense discovered that the PNA_TAG handling code in pnm_get_chunk() does not check if the input size is larger than the buffer size (CVE-2004-1187). iDefense also discovered that in this same function, a negative value could be given to an unsigned variable that specifies the read length of input data (CVE-2004-1188). Impact A remote attacker could craft a malicious movie or convince a targeted user to connect to a malicious PNM server, which could result in the execution of arbitrary code with the rights of the user running any xine-lib frontend. Workaround There is no known workaround at this time. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1187 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1188 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1300 http://www.idefense.com/application/poi/display?id=176&type=vulnerabilities http://www.idefense.com/application/poi/display?id=177&type=vulnerabilities http://tigger.uic.edu/~jlongs2/holes/xine-lib.txt Solution: All xine-lib users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose media-libs/xine-lib Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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