Improper input validation in QEMU - CVE-2018-15746

 

Improper input validation in QEMU - CVE-2018-15746

Published: December 16, 2018 / Updated: December 17, 2018


Vulnerability identifier: #VU16553
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-15746
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

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

The vulnerability exists in qemu-seccomp.c due to an error when processing malicious input. An adjacent attacker can leverage mishandling of the seccomp policy for threads other than the main thread and cause the service to crash.


How to mitigate CVE-2018-15746

Install update from vendor's website.

Sources