#VU12163 Memory leak in QEMU - CVE-2017-15268

Vulnerability identifier: #VU12163

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-15268

CWE-ID: CWE-401

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 DoІ condition on the target system.

The weakness exists in io/channel-websock.c due to memory leak in slow data-channel read operations. A remote attacker can trigger memory corruption and cause the service to crash.

Mitigation
Update to version 2.10.1.

Vulnerable software versions

QEMU: 2.10.0

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External links
https://lists.gnu.org/archive/html/qemu-devel/2017-10/msg02278.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.