CVE-2013-6466 Null dereference in n/a

Medium 5.0 Published 26 Jan 2014 Updated 6 Aug 2024

Remote attackers can cause a denial of service in Openswan by sending malformed IKEv2 packets, triggering a NULL pointer dereference and daemon restart.

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

What is CVE-2013-6466?

CVE-2013-6466 is a medium-severity vulnerability in n/a, published on 26 Jan 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Openswan 2.6.39 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads.

Which versions are affected by CVE-2013-6466?

It affects 1 product.

Linux distribution packages (15)

`openswan` Red Hat:enterprise_linux:5::client	All versions	`0:2.6.32-7.3.el5_10`
`openswan-debuginfo` Red Hat:enterprise_linux:5::client	All versions	`0:2.6.32-7.3.el5_10`
`openswan-doc` Red Hat:enterprise_linux:5::client	All versions	`0:2.6.32-7.3.el5_10`
`openswan` Red Hat:enterprise_linux:5::server	All versions	`0:2.6.32-7.3.el5_10`
`openswan-debuginfo` Red Hat:enterprise_linux:5::server	All versions	`0:2.6.32-7.3.el5_10`
`openswan-doc` Red Hat:enterprise_linux:5::server	All versions	`0:2.6.32-7.3.el5_10`
`openswan` Red Hat:enterprise_linux:6::client	All versions	`0:2.6.32-27.2.el6_5`
`openswan-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:2.6.32-27.2.el6_5`
`openswan-doc` Red Hat:enterprise_linux:6::client	All versions	`0:2.6.32-27.2.el6_5`
`openswan` Red Hat:enterprise_linux:6::server	All versions	`0:2.6.32-27.2.el6_5`
`openswan-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:2.6.32-27.2.el6_5`
`openswan-doc` Red Hat:enterprise_linux:6::server	All versions	`0:2.6.32-27.2.el6_5`
`openswan` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.6.32-27.2.el6_5`
`openswan-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.6.32-27.2.el6_5`
`openswan-doc` Red Hat:enterprise_linux:6::workstation	All versions	`0:2.6.32-27.2.el6_5`

Products include Xelerance Openswan.

How do I fix CVE-2013-6466?

Upgrade to a fixed version.

Is CVE-2013-6466 being exploited?

There is no known exploitation of CVE-2013-6466 in the wild and no public exploit code.

Sources

Also known as GHSA-gc3w-rhj3-96v9, MGASA-2014-0097, RHSA-2014:0185.