Resource exhaustion in QEMU - CVE-2017-15119
Published: March 23, 2018 / Updated: May 30, 2018
Vulnerability identifier: #VU11231
CSH Severity: Medium
CVSS v4.0: 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-2017-15119
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to resource exhaustion when sending large option requests, making the server waste CPU time on reading up to 4GB per request. A remote attacker can cause the service to crash.
The weakness exists due to resource exhaustion when sending large option requests, making the server waste CPU time on reading up to 4GB per request. A remote attacker can cause the service to crash.
How to mitigate CVE-2017-15119
Update to version 2.11.1 or later.