#VU27386 Buffer overflow in QEMU


Published: 2020-04-28

Vulnerability identifier: #VU27386

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15034

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the hw/display/bochs-display.c in QEMU due to application does not ensure a sufficient PCI config space allocation. A local user can trigger a buffer overflow and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

QEMU: 4.0.0


External links
http://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01959.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability