[Secure-testing-team] Bug#799074: qemu: CVE-2015-5279: Heap overflow vulnerability in ne2000_receive() function

[Salvatore Bonaccorso]

Source: qemu
Version: 1.1.2+dfsg-6a
Severity: important
Tags: security upstream patch

Hi,

the following vulnerability was published for qemu.

CVE-2015-5279[0]:
add checks to validate ring buffer pointers

> Qemu emulator built with the NE2000 NIC emulation support is
> vulnerable to a heap buffer overflow issue. It could occur when
> receiving packets over the network.
>
> A privileged user inside guest could use this flaw to crash the Qemu
> instance or potentially execute arbitrary code on the host.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2015-5279
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1256672
[2] https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg03984.html

Regards,
Salvatore