#VU11232 Memory allocation in QEMU - CVE-2017-15124

Vulnerability identifier: #VU11232

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-15124

CWE-ID: CWE-789

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 weakness exists due to uncontrolled memory allocation when not throttling the framebuffer updates sent to the client. A remote attacker can cause the service to crash.

Mitigation
Update to version 2.11.1 or later.

Vulnerable software versions

QEMU: 2.8.0 - 2.11.0

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External links
https://www.qemu.org/2018/02/14/qemu-2-11-1-and-spectre-update/

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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.