Vulnerability Assessment & Network Security Forums



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

[GLSA-200404-03] Tcpdump Vulnerabilities in ISAKMP Parsing

Vulnerability Assessment Summary
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

Cables, Connectors

Samsung 4GB 2GBX2 (2Rx8) PC2-5300 -55-12 RAM Memory 30 Days WRT
$11.99
Samsung 4GB  2GBX2 (2Rx8) PC2-5300 -55-12 RAM Memory 30 Days WRT  pictureHMT325S6BFR8C-H9 GENUINE ORIGINAL HYNIX LAPTOP MEMORY 2GB DD3 PC3-10600
$9.95
HMT325S6BFR8C-H9 GENUINE ORIGINAL HYNIX LAPTOP MEMORY 2GB DD3 PC3-10600 pictureSamsung 1 GB, PC2-6400 DDR2-800MHz ECC Unbuffered CL6 DIMM Dual Rank Memory
$10.0
Samsung 1 GB, PC2-6400 DDR2-800MHz ECC Unbuffered CL6 DIMM Dual Rank Memory pictureSamsung 1 GB, PC2-3200 DDR2-400MHz ECC Registered CL3 DIMM Single Rank Memory
$10.0
Samsung 1 GB, PC2-3200 DDR2-400MHz ECC Registered CL3 DIMM Single Rank Memory  picture


Discussions

No Discussions have been posted on this vulnerability.