CVE-2009-1632

Description

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 4.31% Top 15%
Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory apple.com Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2009-1632?
CVE-2009-1632 has been scored as a medium severity vulnerability.
How to fix CVE-2009-1632?
To fix CVE-2009-1632, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1632 being actively exploited in the wild?
It is possible that CVE-2009-1632 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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