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

Measurement Computing PCI-DAS1000 16Channel Analog 12Bit 250kS/s Input Board
$160.0
Measurement Computing PCI-DAS1000 16Channel Analog 12Bit 250kS/s Input Board pictureVintage Apple Computer Disk II Analog Board -1978- 650-0103 Parts
$19.99
Vintage Apple Computer Disk II Analog Board -1978-  650-0103 Parts pictureComputer APC 5520 DVI-Analog Male to VGA HD15 Female Video Adapter
$5.99
Computer APC 5520 DVI-Analog Male to VGA HD15 Female Video Adapter pictureMetallic emblem Old Computer EC-1045 Russian USSR (analog IBM Syst-370) 70th
$6.99
Metallic emblem Old Computer EC-1045 Russian USSR (analog IBM Syst-370) 70th picture


Discussions

No Discussions have been posted on this vulnerability.