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    CVE-2003-0108

    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.

    Published:Feb 27, 2003
    Last Modified:Apr 16, 2026
    EPS:Sep 1, 2004
    EPSS Score:0.17043
    CVSS Score:5

    Affected Products

    Vendor
    Lbl
    Product
    Tcpdump
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Linux

    Exploits

    https://www.exploit-db.com/exploits/22294

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2005-1267 (CVSS 5) — The bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value from the decode_prefix…
    CVE-2005-1280 (CVSS 5) — The rsvp_print function in tcpdump 3.9.1 and earlier allows remote attackers to cause a denial of service (inf…
    CVE-2005-1278 (CVSS 5) — The isis_print function, as called by isoclns_print, in tcpdump 3.9.1 and earlier allows remote attackers to c…
    CVE-2005-1279 (CVSS 5) — tcpdump 3.8.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a crafted (…
    CVE-2003-1029 (CVSS 5) — The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (in…
    CVE-2004-0057 (CVSS 5) — The rawprint function in the ISAKMP decoding routines (print-isakmp.c) for tcpdump 3.8.1 and earlier allows re…
    CVE-2004-0055 (CVSS 5) — The print_attr_string function in print-radius.c for tcpdump 3.8.1 and earlier allows remote attackers to caus…
    CVE-2003-0145 (CVSS 5) — Unknown vulnerability in tcpdump before 3.7.2 related to an inability to "Handle unknown RADIUS attributes pro…
    CVE-2003-0093 (CVSS 5) — The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) v…
    CVE-2002-0380 (CVSS 7.5) — Buffer overflow in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service and possibly…

    References

    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
    http://www.idefense.com/advisory/02.27.03.txt
    http://www.iss.net/security_center/static/11434.php
    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
    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
    http://www.idefense.com/advisory/02.27.03.txt
    http://www.iss.net/security_center/static/11434.php
    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High