Multiple vulnerabilities in Xen

Published: 2018-04-30

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-10472 CVE-2018-10471
CWE-ID	CWE-200
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software Subscribe	Xen Server applications / Virtualization software
Vendor	Xen Project

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU12287

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10472

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to obtain potentially sensitive information.

The weakness exists due to improper information control. An adjacent attacker can supply a specially crafted CDROM image to read arbitrary files or device nodes on the dom0 filesystem with the privileges of the quem devicemodel process.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Xen: 4.6.0 - 4.10.0

External links

http://xenbits.xen.org/xsa/advisory-258.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Error handling

EUVDB-ID: #VU12288

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10471

CWE-ID: N/A