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GLSA-202009-14 : Xen: Buffer overflow

medium Nessus Plugin ID 141064

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202009-14 (Xen: Buffer overflow)

 An out-of-bounds read/write access issue was found in the USB emulator when using QEMU.
 Impact :

 A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All Xen users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-emulation/xen-4.13.1-r3' All Xen tools users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-emulation/xen-tools-4.13.1-r3'

See Also

https://xenbits.xen.org/xsa/advisory-335.html

https://security.gentoo.org/glsa/202009-14

Plugin Details

Severity: Medium

ID: 141064

File Name: gentoo_GLSA-202009-14.nasl

Version: 1.3

Type: local

Published: 9/30/2020

Updated: 2/16/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

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

CVSS Score Source: CVE-2020-14364

CVSS v3

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:xen, p-cpe:/a:gentoo:linux:xen-tools, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/29/2020

Vulnerability Publication Date: 8/31/2020

Reference Information

CVE: CVE-2020-14364

GLSA: 202009-14