Improper input validation in QEMU - CVE-2017-13673
Published: April 11, 2018 / Updated: April 13, 2018
Vulnerability identifier: #VU11818
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-13673
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
The vulnerability allows an adjacent authenticated attacker to cause DoS condition on the target system.
The vulnerability exists in the vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode in the cpu_physical_memory_snapshot_get_dirty function due to assertion failure. An adjacent attacker can cause the service to crash.
How to mitigate CVE-2017-13673
Install update from vendor's website.