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Debian DSA-3262-1 : xen - security update (Venom)

high Nessus Plugin ID 83532

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Synopsis

The remote Debian host is missing a security-related update.

Description

Jason Geffner discovered a buffer overflow in the emulated floppy disk drive, resulting in the potential execution of arbitrary code. This only affects HVM guests.

Solution

Upgrade the xen packages.

For the oldstable distribution (wheezy), this problem has been fixed in version 4.1.4-3+deb7u6.

The stable distribution (jessie) is already fixed through the qemu update provided as DSA-3259-1.

See Also

https://packages.debian.org/source/wheezy/xen

https://www.debian.org/security/2015/dsa-3262

Plugin Details

Severity: High

ID: 83532

File Name: debian_DSA-3262.nasl

Version: 2.18

Type: local

Agent: unix

Published: 5/19/2015

Updated: 9/28/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.4

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:xen, cpe:/o:debian:debian_linux:7.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2015

Exploitable With

Core Impact

Reference Information

CVE: CVE-2015-3456

BID: 74640

DSA: 3262

IAVA: 2015-A-0115-S