Red Hat Virtualization Manager 4.2 update for openvswitch



Published: 2018-05-15 | Updated: 2021-02-01
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1059
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Red Hat Virtualization Manager
Client/Desktop applications / Virtualization software

openvswitch (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU12658

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1059

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to obtain potentially sensitive information on the target system.

The weakness exists in the DPDK vhost-user interface due to improper check to verify that all the requested guest physical range is mapped and contiguous when performing Guest Physical Addresses to Host Virtual Addresses translations. An adjacent attacker can gain access to vhost-user backend process memory.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Virtualization Manager: 4.2

openvswitch (Red Hat package): before 2.9.0-19.el7fdp

CPE2.3 External links

http://access.redhat.com/errata/RHEA-2018:1547


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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



###SIDEBAR###