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Vulnerability record · CVE-2007-1841 · published 10 April 2007

CVE-2007-1841: Ipsec-tools vulnerability

IIpsec Tools · Ipsec Tools

The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7 allows remote attackers to cause a denial of service (tunnel crash) via crafted (1) DELETE (ISAKMP_NPTYPE_D) and (2) NOTIFY (ISAKMP_NPTYPE_N) messages.

4.3 CVSS 2.0 Medium EPSS 2.9% · top 13.8%
4.3CVSS 2.0 base score
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
40References
16 Jun 2026Last modified by NVD

Description

The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7 allows remote attackers to cause a denial of service (tunnel crash) via crafted (1) DELETE (ISAKMP_NPTYPE_D) and (2) NOTIFY (ISAKMP_NPTYPE_N) messages.

AV:N/AC:M/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://secunia.com/advisories/24815 Vendor Advisory
http://secunia.com/advisories/24826
http://secunia.com/advisories/24833
http://secunia.com/advisories/25072
http://secunia.com/advisories/25142
http://secunia.com/advisories/25322
http://secunia.com/advisories/25560
http://security.gentoo.org/glsa/glsa-200705-09.xml
http://sourceforge.net/mailarchive/message.php?msg_name=20070406123739.GA1546%40zen.inc PatchVendor Advisory
http://sourceforge.net/project/shownotes.php?release_id=499192&group_id=74601
http://www.debian.org/security/2007/dsa-1299
http://www.mandriva.com/security/advisories?name=MDKSA-2007:084
http://www.novell.com/linux/security/advisories/2007_8_sr.html
http://www.securityfocus.com/bid/23394
http://www.securitytracker.com/id?1018086
http://www.ubuntu.com/usn/usn-450-1
http://www.vupen.com/english/advisories/2007/1310
https://exchange.xforce.ibmcloud.com/vulnerabilities/33541
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10504
https://rhn.redhat.com/errata/RHSA-2007-0342.html
http://secunia.com/advisories/24815 Vendor Advisory
http://secunia.com/advisories/24826
http://secunia.com/advisories/24833
http://secunia.com/advisories/25072
http://secunia.com/advisories/25142
http://secunia.com/advisories/25322
http://secunia.com/advisories/25560
http://security.gentoo.org/glsa/glsa-200705-09.xml
http://sourceforge.net/mailarchive/message.php?msg_name=20070406123739.GA1546%40zen.inc PatchVendor Advisory
http://sourceforge.net/project/shownotes.php?release_id=499192&group_id=74601
http://www.debian.org/security/2007/dsa-1299
http://www.mandriva.com/security/advisories?name=MDKSA-2007:084
http://www.novell.com/linux/security/advisories/2007_8_sr.html
http://www.securityfocus.com/bid/23394
http://www.securitytracker.com/id?1018086
http://www.ubuntu.com/usn/usn-450-1
http://www.vupen.com/english/advisories/2007/1310
https://exchange.xforce.ibmcloud.com/vulnerabilities/33541
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10504
https://rhn.redhat.com/errata/RHSA-2007-0342.html

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Related vulnerabilities

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

10.0CVE-2004-0607Ipsec-tools vulnerabilityThe eay_check_x509cert function in KAME Racoon successfully verifies certificates even when OpenSSL validation fails, which could allow remote attack…EPSS 5.4%7.8CVE-2015-4047Ipsec-tools null pointer dereference vulnerabilityracoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a serie…EPSS 9.8%7.8CVE-2008-3652Ipsec-tools vulnerabilitysrc/racoon/handler.c in racoon in ipsec-tools does not remove an "orphaned ph1" (phase 1) handle when it has been initiated remotely, which allows re…EPSS 3.4%7.8CVE-2005-3732Ipsec-tools vulnerabilityThe Internet Key Exchange version 1 (IKEv1) implementation (isakmp_agg.c) in racoon in ipsec-tools before 0.6.3, when running in aggressive mode, all…EPSS 4.4%7.5CVE-2016-10396Ipsec-tools vulnerabilityThe racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The…EPSS 2.9%5.0CVE-2009-1632Ipsec-tools vulnerabilityMultiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) …EPSS 2.0%5.0CVE-2009-1574Ipsec-tools vulnerabilityracoon/isakmp_frag.c in ipsec-tools before 0.7.2 allows remote attackers to cause a denial of service (crash) via crafted fragmented packets without …EPSS 12%5.0CVE-2005-0398Ipsec-tools vulnerabilityThe KAME racoon daemon in ipsec-tools before 0.5 allows remote attackers to cause a denial of service (crash) via malformed ISAKMP packets.EPSS 2.4%

Source: NIST National Vulnerability Database (record CVE-2007-1841), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.