CVE-2021-4207 - CERT CVE
ID CVE-2021-4207
Sažetak A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor->header.width` and `cursor->header.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.
Reference
CVSS
Base: 4.6
Impact: 6.4
Exploitability:3.9
Pristup
VektorSloženostAutentikacija
LOCAL LOW NONE
Impact
PovjerljivostCjelovitostDostupnost
PARTIAL PARTIAL PARTIAL
CVSS vektor AV:L/AC:L/Au:N/C:P/I:P/A:P
Zadnje važnije ažuriranje 21-03-2025 - 18:15
Objavljeno 29-04-2022 - 17:15