FreeBSD : qemu -- denial of service vulnerability in Human Monitor Interface support (62ab8707-b1bc-11e5-9728-002590263bf5)

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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 Human Monitor Interface(HMP) support is
vulnerable to an OOB write issue. It occurs while processing 'sendkey'
command in hmp_sendkey routine, if the command argument is longer than
the 'keyname_buf' buffer size.

A user/process could use this flaw to crash the Qemu process instance
resulting in DoS.

See also :

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205813
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205814
http://www.openwall.com/lists/oss-security/2015/12/22/8
https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg02930.html
http://www.nessus.org/u?455bad6a
http://www.nessus.org/u?bc7c4557
http://www.nessus.org/u?fa04d2cc

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 87695 ()

Bugtraq ID:

CVE ID: CVE-2015-8619

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