Denial of service in QEMU



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-15268
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
QEMU
Client/Desktop applications / Virtualization software

Vendor QEMU

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU12163

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 - Missing release of memory after effective lifetime

Exploit availability: No

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

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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



###SIDEBAR###