Vulnerability identifier: #VU31801

Vulnerability risk: Medium

CVSSv3.1: 8.2 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-13361

CWE-ID: CWE-787

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing frame count in es1370_transfer_audio in hw/audio/es1370.c. A local user on the guest operating system can send a specially crafted request and execute arbitrary code on the host operating system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

QEMU: 4.1.0 - 5.0.0

---

External links
http://www.openwall.com/lists/oss-security/2020/05/28/1
http://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
http://lists.gnu.org/archive/html/qemu-devel/2020-05/msg03983.html
http://security.netapp.com/advisory/ntap-20200608-0003/
http://security-tracker.debian.org/tracker/CVE-2020-13361
http://www.debian.org/security/2020/dsa-4728

---

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.