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    CVE-2009-1632

    Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

    Published:Apr 22, 2009
    Last Modified:Apr 23, 2026
    EPS:May 14, 2009
    EPSS Score:0.04704
    CVSS Score:5

    Affected Products

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

    Exploits

    No exploit reference

    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-2009-1574 (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-2005-3732 (CVSS 7.8) — The Internet Key Exchange version 1 (IKEv1) implementation (isakmp_agg.c) in racoon in ipsec-tools before 0.6.…
    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

    http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c
    http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c.diff?r1=1.11.6.4&r2=1.11.6.5&f=h
    http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/nattraversal.c
    http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/nattraversal.c.diff?r1=1.6&r2=1.6.6.1&f=h
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
    http://marc.info/?l=oss-security&m=124101704828036&w=2
    http://secunia.com/advisories/35153
    http://secunia.com/advisories/35159
    http://secunia.com/advisories/35212
    http://secunia.com/advisories/35404
    http://secunia.com/advisories/35685
    http://security.gentoo.org/glsa/glsa-200905-03.xml
    http://sourceforge.net/mailarchive/forum.php?thread_name=20090422151825.GB46988%40zeninc.net&forum_name=ipsec-tools-announce
    http://sourceforge.net/project/shownotes.php?group_id=74601&release_id=677611
    http://support.apple.com/kb/HT3937
    http://www.debian.org/security/2009/dsa-1804
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:114
    http://www.openwall.com/lists/oss-security/2009/05/12/3
    http://www.redhat.com/support/errata/RHSA-2009-1036.html
    http://www.securityfocus.com/bid/34765
    http://www.ubuntu.com/usn/USN-785-1
    http://www.vupen.com/english/advisories/2009/3184
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10581
    https://trac.ipsec-tools.net/ticket/303
    http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c
    http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c.diff?r1=1.11.6.4&r2=1.11.6.5&f=h
    http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/nattraversal.c
    http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/nattraversal.c.diff?r1=1.6&r2=1.6.6.1&f=h
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
    http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
    http://marc.info/?l=oss-security&m=124101704828036&w=2
    http://secunia.com/advisories/35153
    http://secunia.com/advisories/35159
    http://secunia.com/advisories/35212
    http://secunia.com/advisories/35404
    http://secunia.com/advisories/35685
    http://security.gentoo.org/glsa/glsa-200905-03.xml
    http://sourceforge.net/mailarchive/forum.php?thread_name=20090422151825.GB46988%40zeninc.net&forum_name=ipsec-tools-announce
    http://sourceforge.net/project/shownotes.php?group_id=74601&release_id=677611
    http://support.apple.com/kb/HT3937
    http://www.debian.org/security/2009/dsa-1804
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:114
    http://www.openwall.com/lists/oss-security/2009/05/12/3
    http://www.redhat.com/support/errata/RHSA-2009-1036.html
    http://www.securityfocus.com/bid/34765
    http://www.ubuntu.com/usn/USN-785-1
    http://www.vupen.com/english/advisories/2009/3184
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10581
    https://trac.ipsec-tools.net/ticket/303

    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