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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-200404-03] Tcpdump Vulnerabilities in ISAKMP Parsing Vulnerability Assessment Details
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[GLSA-200404-03] Tcpdump Vulnerabilities in ISAKMP Parsing |
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Tcpdump Vulnerabilities in ISAKMP Parsing Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200404-03 (Tcpdump Vulnerabilities in ISAKMP Parsing) There are two specific vulnerabilities in tcpdump, outlined in [ reference 1 ]. In the first scenario, a possible hacker may send a specially-crafted ISAKMP Delete packet which causes tcpdump to read past the end of its buffer. In the second scenario, a possible hacker may send an ISAKMP packet with the wrong payload length, again causing tcpdump to read past the end of a buffer. Impact Remote attackers could potentially cause tcpdump to crash or execute arbitrary code as the 'pcap' user. Workaround There is no known workaround at this time. All tcpdump users are encouraged to upgrade to the latest available version. References: http://www.rapid7.com/advisories/R7-0017.html http://rhn.redhat.com/errata/RHSA-2004-008.html http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2003-0989 Solution: All tcpdump users should upgrade to the latest available version. ADDITIONALLY, the net-libs/libpcap package should be upgraded. # emerge sync # emerge -pv ">=net-libs/libpcap-0.8.3-r1" ">=net-analyzer/tcpdump-3.8.3-r1" # emerge ">=net-libs/libpcap-0.8.3-r1" ">=net-analyzer/tcpdump-3.8.3-r1" Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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