FreeBSD : qemu -- denial of service vulnerability in VNC (8a560bcf-b14b-11e5-9728-002590263bf5)

medium Nessus Plugin ID 87699

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 VNC display driver is vulnerable to an infinite loop issue. It could occur while processing a CLIENT_CUT_TEXT message with specially crafted payload message.

A privileged guest user could use this flaw to crash the Qemu process on the host, resulting in DoS.

Solution

Update the affected packages.

See Also

https://www.openwall.com/lists/oss-security/2015/09/02/7

http://www.nessus.org/u?3a6a2525

http://www.nessus.org/u?c21d9078

http://www.nessus.org/u?c2ea781e

Plugin Details

Severity: Medium

ID: 87699

File Name: freebsd_pkg_8a560bcfb14b11e59728002590263bf5.nasl

Version: 2.5

Type: local

Published: 1/4/2016

Updated: 1/4/2021

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:qemu, p-cpe:/a:freebsd:freebsd:qemu-devel, p-cpe:/a:freebsd:freebsd:qemu-sbruno, p-cpe:/a:freebsd:freebsd:qemu-user-static, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 1/2/2016

Vulnerability Publication Date: 6/30/2014

Reference Information

CVE: CVE-2015-5239