Vulnerability identifier: #VU16677

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-20216

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c when return values are not checked (and -1 is mishandled).. A remote attacker can cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

QEMU: 0.1 - 3.0.0

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External links
http://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.html

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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