CVE-2013-0170 Use after free in n/a

Medium 6.8 Published 8 Feb 2013 Updated 6 Aug 2024

Remote attackers can cause a crash or execute arbitrary code via a use-after-free flaw in libvirt's RPC message handling.

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

What is CVE-2013-0170?

CVE-2013-0170 is a medium-severity use after free vulnerability in Canonical Ubuntu Linux, published on 8 Feb 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Use-after-free vulnerability in the virNetMessageFree function in rpc/virnetserverclient.c in libvirt 1.0.x before 1.0.2, 0.10.2 before 0.10.2.3, 0.9.11 before 0.9.11.9, and 0.9.6 before 0.9.6.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by triggering certain errors during an RPC connection, which causes a message to be freed without being removed from the message queue.

Weakness: CWE-416

Which versions are affected by CVE-2013-0170?

It affects 11 products.

Linux distribution packages (24)

`libvirt` Red Hat:enterprise_linux:6::client	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-client` Red Hat:enterprise_linux:6::client	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-devel` Red Hat:enterprise_linux:6::client	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-lock-sanlock` Red Hat:enterprise_linux:6::client	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-python` Red Hat:enterprise_linux:6::client	All versions	`0:0.9.10-21.el6_3.8`
`libvirt` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-client` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-devel` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-lock-sanlock` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-python` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.9.10-21.el6_3.8`
`libvirt` Red Hat:enterprise_linux:6::server	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-client` Red Hat:enterprise_linux:6::server	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-devel` Red Hat:enterprise_linux:6::server	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-lock-sanlock` Red Hat:enterprise_linux:6::server	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-python` Red Hat:enterprise_linux:6::server	All versions	`0:0.9.10-21.el6_3.8`
`libvirt` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-client` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-devel` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-lock-sanlock` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.9.10-21.el6_3.8`
`libvirt-python` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.9.10-21.el6_3.8`

Products include Canonical Ubuntu Linux, Fedoraproject Fedora, Opensuse Opensuse, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server and 5 more.

How do I fix CVE-2013-0170?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2013-0170 being exploited?

There is no known exploitation of CVE-2013-0170 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-0170, GHSA-rhxc-pp54-8x28, RHSA-2013:0199.