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FreeBSD : qemu -- buffer overflow vulnerability in virtio-serial message exchanges (21e5abe3-b0c6-11e5-8d13-bc5ff45d0f28)

medium Nessus Plugin ID 87688

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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 virtio-serial vmchannel support is vulnerable to a buffer overflow issue. It could occur while exchanging virtio control messages between guest and the host.

A malicious guest could use this flaw to corrupt few bytes of Qemu memory area, potentially crashing the Qemu process.

Solution

Update the affected packages.

See Also

https://www.openwall.com/lists/oss-security/2015/08/06/5

http://www.nessus.org/u?58b7ad05

http://www.nessus.org/u?be78b2f5

http://www.nessus.org/u?1901f439

Plugin Details

Severity: Medium

ID: 87688

File Name: freebsd_pkg_21e5abe3b0c611e58d13bc5ff45d0f28.nasl

Version: 2.5

Type: local

Published: 1/4/2016

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Vector: CVSS2#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: 1/1/2016

Vulnerability Publication Date: 8/6/2015

Reference Information

CVE: CVE-2015-5745