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Vulnerability record · CVE-2003-0108 · published 7 March 2003

CVE-2003-0108: Lbl tcpdump vulnerability

Lbl · Tcpdump

isakmp_sub_print in tcpdump 3.6 through 3.7.1 allows remote attackers to cause a denial of service (CPU consumption) via a certain malformed ISAKMP packet to UDP port 500, which causes tcpdump to enter an infinite loop.

5.0 CVSS 2.0 Medium EPSS 11% · top 4.2%
5.0CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References
16 Jun 2026Last modified by NVD

Description

isakmp_sub_print in tcpdump 3.6 through 3.7.1 allows remote attackers to cause a denial of service (CPU consumption) via a certain malformed ISAKMP packet to UDP port 500, which causes tcpdump to enter an infinite loop.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000629
http://marc.info/?l=bugtraq&m=104637420104189&w=2
http://marc.info/?l=bugtraq&m=104678787109030&w=2
http://www.debian.org/security/2003/dsa-255 PatchVendor Advisory
http://www.idefense.com/advisory/02.27.03.txt PatchVendor Advisory
http://www.iss.net/security_center/static/11434.php Vendor Advisory
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:027
http://www.novell.com/linux/security/advisories/2003_015_tcpdump.html
http://www.redhat.com/support/errata/RHSA-2003-032.html
http://www.redhat.com/support/errata/RHSA-2003-085.html
http://www.redhat.com/support/errata/RHSA-2003-214.html
http://www.securityfocus.com/bid/6974 PatchVendor Advisory
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000629
http://marc.info/?l=bugtraq&m=104637420104189&w=2
http://marc.info/?l=bugtraq&m=104678787109030&w=2
http://www.debian.org/security/2003/dsa-255 PatchVendor Advisory
http://www.idefense.com/advisory/02.27.03.txt PatchVendor Advisory
http://www.iss.net/security_center/static/11434.php Vendor Advisory
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:027
http://www.novell.com/linux/security/advisories/2003_015_tcpdump.html
http://www.redhat.com/support/errata/RHSA-2003-032.html
http://www.redhat.com/support/errata/RHSA-2003-085.html
http://www.redhat.com/support/errata/RHSA-2003-214.html
http://www.securityfocus.com/bid/6974 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2000-1026Lbl tcpdump vulnerabilityMultiple buffer overflows in LBNL tcpdump allow remote attackers to execute arbitrary commands.EPSS 6.0%7.5CVE-2002-1350Lbl tcpdump vulnerabilityThe BGP decoding routines in tcpdump 3.6.x before 3.7 do not properly copy data, which allows remote attackers to cause a denial of service (applicat…EPSS 2.4%7.5CVE-2002-0380Lbl tcpdump vulnerabilityBuffer overflow in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via an NFS pack…EPSS 5.0%7.5CVE-1999-1024Lbl tcpdump vulnerabilityip_print procedure in Tcpdump 3.4a allows remote attackers to cause a denial of service via a packet with a zero length header, which causes an infin…EPSS 2.9%7.5CVE-2001-1279Lbl tcpdump vulnerabilityBuffer overflow in print-rx.c of tcpdump 3.x (probably 3.6x) allows remote attackers to cause a denial of service and possibly execute arbitrary code…EPSS 4.8%5.0CVE-2005-1267Lbl tcpdump vulnerabilityThe bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value from the decode_prefix4 function, which allows remote attacke…EPSS 14%5.0CVE-2005-1278Lbl tcpdump vulnerabilityThe isis_print function, as called by isoclns_print, in tcpdump 3.9.1 and earlier allows remote attackers to cause a denial of service (infinite loop…EPSS 11%5.0CVE-2005-1279Lbl tcpdump vulnerabilitytcpdump 3.8.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a crafted (1) BGP packet, which is not properly ha…EPSS 19%

Source: NIST National Vulnerability Database (record CVE-2003-0108), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.