Vulnerability identifier: #VU12552

Vulnerability risk: Low

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

CVE-ID: CVE-2017-11334

CWE-ID: CWE-125

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description
The vulnerability allows an adjacent authenticated attacker to cause DoS condition on the target system.

The weakness exists due to out-of-bounds read. An adjacent attacker can cause the service to crash by leveraging use of qemu_map_ram_ptr to access guest ram block area.

Mitigation
Install update from vendor's website.

Vulnerable software versions

QEMU: All versions

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External links
http://lists.gnu.org/archive/html/qemu-devel/2017-07/msg03775.html

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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.