medium
5
CWE
NVD-CWE-Other 476
Advisory Published
Updated

CVE-2009-1574: Null Pointer Dereference

First published: Wed Apr 22 2009(Updated: )

racoon/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 a payload, which triggers a NULL pointer dereference.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/ipsec-tools<0:0.6.5-13.el5_3.1
0:0.6.5-13.el5_3.1
Ipsec-tools=0.2.4
Ipsec-tools=0.4-rc1
Ipsec-tools=0.5
Ipsec-tools=0.3-rc3
Ipsec-tools=0.3-rc5
Ipsec-tools=0.6.2
Ipsec-tools=0.6.5
Ipsec-tools=0.3.2
Ipsec-tools=0.7
Ipsec-tools=0.6.1
Ipsec-tools=0.6.3
Ipsec-tools=0.3.3
Ipsec-tools=0.2
Ipsec-tools=0.3.1
Ipsec-tools=0.3-rc2
Ipsec-tools=0.2.1
Ipsec-tools=0.3-rc4
Ipsec-tools=0.2.2
Ipsec-tools=0.2.3
Ipsec-tools=0.4
Ipsec-tools=0.1
Ipsec-tools=0.6.4
Ipsec-tools<=0.7.1
Ipsec-tools=0.3
Ipsec-tools=0.3-rc1
Ipsec-tools=0.6.6

Remedy

http://www.openwall.com/lists/oss-security/2009/04/29/6

Remedy

http://www.openwall.com/lists/oss-security/2009/05/04/3

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=497990

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2009-1574?

    CVE-2009-1574 has a severity level that is categorized as a denial of service vulnerability that can lead to application crashes.

  • How do I fix CVE-2009-1574?

    To fix CVE-2009-1574, update ipsec-tools to version 0.7.2 or higher.

  • What systems are affected by CVE-2009-1574?

    CVE-2009-1574 affects various versions of ipsec-tools prior to 0.7.2, including 0.2.4 and 0.6.5.

  • What type of vulnerability is CVE-2009-1574?

    CVE-2009-1574 is a denial of service vulnerability that can be exploited via crafted fragmented packets.

  • Is there a workaround for CVE-2009-1574?

    A recommended workaround for CVE-2009-1574 is to implement firewall rules that drop unknown or malformed packets until a fix is applied.

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