FreeBSD : qemu -- denial of service vulnerability in IDE disk/CD/DVD-ROM emulation (bbc97005-b14e-11e5-9728-002590263bf5)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

Prasad J Pandit, Red Hat Product Security Team, reports :

Qemu emulator built with the IDE disk and CD/DVD-ROM emulation support
is vulnerable to a divide by zero issue. It could occur while
executing an IDE command WIN_READ_NATIVE_MAX to determine the maximum
size of a drive.

A privileged user inside guest could use this flaw to crash the Qemu
instance resulting in DoS.

See also :

http://www.openwall.com/lists/oss-security/2015/09/10/1
http://www.nessus.org/u?1780260a
http://www.nessus.org/u?5ca203e0
http://www.nessus.org/u?6639912d

Solution :

Update the affected packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 87705 ()

Bugtraq ID:

CVE ID: CVE-2015-6855

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