GLSA 201510-02: QEMU: Arbitrary code execution

http://security.gentoo.org/

Severity:	normal
Title:	QEMU: Arbitrary code execution
Date:	10/31/2015
Bugs:	#551752, #555680, #556050, #556052
ID:	201510-02

Synopsis

A heap-based buffer overflow in QEMU could result in execution of arbitrary code.

Background

QEMU is a generic and open source machine emulator and virtualizer.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-emulation/qemu	< 2.3.0-r4	>= 2.3.0-r4	All supported architectures

Description

Heap-based buffer overflow has been found in QEMU’s PCNET controller.

Impact

A remote attacker could execute arbitrary code via a specially crafted packets.

Workaround

There is no known workaround at this time.

Resolution

All QEMU users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-emulation/qemu-2.3.0-r4"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201510-02.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.