CVE-2011-3380 Null dereference in n/a

Medium 5.0 Published 17 Nov 2011 Updated 6 Aug 2024

Remote attackers can crash the Openswan IKE daemon via a malformed ISAKMP message, causing a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2011-3380?

CVE-2011-3380 is a medium-severity vulnerability in n/a, published on 17 Nov 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.

Which versions are affected by CVE-2011-3380?

It affects 1 product.

Linux distribution packages (3)

`openswan` Red Hat:enterprise_linux:6::server	All versions	`0:2.6.32-4.el6_1.2`
`openswan-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:2.6.32-4.el6_1.2`
`openswan-doc` Red Hat:enterprise_linux:6::server	All versions	`0:2.6.32-4.el6_1.2`

Products include Xelerance Openswan.

How do I fix CVE-2011-3380?

Apply the vendor's patch.

Is CVE-2011-3380 being exploited?

There is no known exploitation of CVE-2011-3380 in the wild and no public exploit code.

Sources

Also known as GHSA-57qx-7wcp-85w9, RHSA-2011:1356.