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Gentoo: GLSA-202310-01 Critical: QEMU Arbitrary Code Execution

gentoo
Calendar Grey October 31, 2015
Dist Gentoo Esm H88
Gentoo Linux Security Notice regarding a buffer overflow vulnerability in QEMU which could allow arbitrary code execution. Users are strongly encouraged to update their installations.
A heap-based buffer overflow in QEMU could result in execution of arbitrary code.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow arbitrary code execution qemu

Resolution

All QEMU users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/qemu-2.3.0-r4"

References

[ 1 ] CVE-2015-3209 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3209 [ 2 ] CVE-2015-3214 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3214 [ 3 ] CVE-2015-5154 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5154 [ 4 ] CVE-2015-5158 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5158

Availability

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

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

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow arbitrary code execution qemu

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/qemu < 2.3.0-r4 >= 2.3.0-r4

Impact

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

Workaround

There is no known workaround at this time.

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