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    CVE-2005-3732

    The Internet Key Exchange version 1 (IKEv1) implementation (isakmp_agg.c) in racoon in ipsec-tools before 0.6.3, when running in aggressive mode, allows remote attackers to cause a denial of service (null dereference and crash) via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.

    Published:Nov 20, 2005
    Last Modified:Apr 16, 2026
    EPS:Nov 21, 2005
    EPSS Score:0.16168
    CVSS Score:7.8

    Affected Products

    Vendor
    Ipsec-tools
    Product
    Ipsec-tools
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2016-10396 (CVSS 7.5) — The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when pa…
    CVE-2015-4047 (CVSS 7.8) — racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer derefe…
    CVE-2009-1632 (CVSS 5) — Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory …
    CVE-2009-1574 (CVSS 5) — racoon/isakmp_frag.c in ipsec-tools before 0.7.2 allows remote attackers to cause a denial of service (crash) …
    CVE-2008-3652 (CVSS 7.8) — src/racoon/handler.c in racoon in ipsec-tools does not remove an "orphaned ph1" (phase 1) handle when it has b…
    CVE-2007-1841 (CVSS 4.3) — The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7 allows remote a…
    CVE-2005-0398 (CVSS 5) — The KAME racoon daemon in ipsec-tools before 0.5 allows remote attackers to cause a denial of service (crash) …
    CVE-2004-0607 (CVSS 10) — The eay_check_x509cert function in KAME Racoon successfully verifies certificates even when OpenSSL validation…

    References

    ftp://patches.sgi.com/support/free/security/advisories/20060501-01-U.asc
    http://archives.neohapsis.com/archives/bugtraq/2005-12/0161.html
    http://cvs.sourceforge.net/viewcvs.py/ipsec-tools/ipsec-tools/src/racoon/isakmp_agg.c?r1=1.20.2.3&r2=1.20.2.4&diff_format=u
    http://rhn.redhat.com/errata/RHSA-2006-0267.html
    http://secunia.com/advisories/17668
    http://secunia.com/advisories/17822
    http://secunia.com/advisories/17980
    http://secunia.com/advisories/18115
    http://secunia.com/advisories/18616
    http://secunia.com/advisories/18742
    http://secunia.com/advisories/19833
    http://secunia.com/advisories/20210
    http://securitytracker.com/id?1015254
    http://sourceforge.net/mailarchive/forum.php?thread_id=9017454&forum_id=32000
    http://www.debian.org/security/2006/dsa-965
    http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/
    http://www.gentoo.org/security/en/glsa/glsa-200512-04.xml
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:020
    http://www.niscc.gov.uk/niscc/docs/re-20051114-01014.pdf?lang=en
    http://www.novell.com/linux/security/advisories/2005_70_ipsec.html
    http://www.securityfocus.com/archive/1/436343/100/0/threaded
    http://www.securityfocus.com/bid/15523
    http://www.vupen.com/english/advisories/2005/2521
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9857
    https://usn.ubuntu.com/221-1/
    ftp://patches.sgi.com/support/free/security/advisories/20060501-01-U.asc
    http://archives.neohapsis.com/archives/bugtraq/2005-12/0161.html
    http://cvs.sourceforge.net/viewcvs.py/ipsec-tools/ipsec-tools/src/racoon/isakmp_agg.c?r1=1.20.2.3&r2=1.20.2.4&diff_format=u
    http://rhn.redhat.com/errata/RHSA-2006-0267.html
    http://secunia.com/advisories/17668
    http://secunia.com/advisories/17822
    http://secunia.com/advisories/17980
    http://secunia.com/advisories/18115
    http://secunia.com/advisories/18616
    http://secunia.com/advisories/18742
    http://secunia.com/advisories/19833
    http://secunia.com/advisories/20210
    http://securitytracker.com/id?1015254
    http://sourceforge.net/mailarchive/forum.php?thread_id=9017454&forum_id=32000
    http://www.debian.org/security/2006/dsa-965
    http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/
    http://www.gentoo.org/security/en/glsa/glsa-200512-04.xml
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:020
    http://www.niscc.gov.uk/niscc/docs/re-20051114-01014.pdf?lang=en
    http://www.novell.com/linux/security/advisories/2005_70_ipsec.html
    http://www.securityfocus.com/archive/1/436343/100/0/threaded
    http://www.securityfocus.com/bid/15523
    http://www.vupen.com/english/advisories/2005/2521
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9857
    https://usn.ubuntu.com/221-1/

    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