FreeBSD : qemu -- buffer overflow vulnerability in VNC (2b3b4c27-b0c7-11e5-8d13-bc5ff45d0f28)

high Nessus Plugin ID 87689

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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 VNC display driver support is vulnerable to a buffer overflow flaw leading to a heap memory corruption issue.
It could occur while refreshing the server display surface via routine vnc_refresh_server_surface().

A privileged guest user could use this flaw to corrupt the heap memory and crash the Qemu process instance OR potentially use it to execute arbitrary code on the host.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 87689

File Name: freebsd_pkg_2b3b4c27b0c711e58d13bc5ff45d0f28.nasl

Version: 2.4

Type: local

Family: FreeBSD Local Security Checks

Published: 1/4/2016

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

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: 1/1/2016

Vulnerability Publication Date: 8/17/2015

Reference Information

CVE: CVE-2015-5225

Detections

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