CentOS 6 update for qemu-kvm



Published: 2020-11-10
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14364
CWE-ID CWE-787
Exploitation vector Local network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Operating systems & Components / Operating system

Vendor CentOS Project

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU45985

Risk: Medium

CVSSv3.1: 8.1 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-14364

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a boundary error within the USB emulator in QEMU. A remote user with access to guest operating system on the guest operating system can send specially crafted USB packets, trigger out-of-bounds write and execute arbitrary code on the host system.

Mitigation

Update the affected packages.

Vulnerable software versions

CentOS: 6

External links

http://lists.centos.org/pipermail/centos-announce/2020-November/035813.html


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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