Stack-based buffer overflow in QEMU - CVE-2017-15118
Published: August 7, 2018
Vulnerability identifier: #VU14217
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2017-15118
CWE-ID: CWE-121
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 execute arbitrary code on the target system.
The vulnerability exists in the network block device (NBD) server implementation due to stack-based buffer overflow when handling malicious input. A remote unauthenticated attacker can send a large export-name request, trigger memory corruption and cause the service to crash or execute arbitrary code with elevated privileges.
How to mitigate CVE-2017-15118
Update to version 2.11 or later.