CVE-2021-3697 - CERT CVE
ID CVE-2021-3697
Sažetak A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.
Reference
CVSS
Base: 4.4
Impact: 6.4
Exploitability:3.4
Pristup
VektorSloženostAutentikacija
LOCAL MEDIUM NONE
Impact
PovjerljivostCjelovitostDostupnost
PARTIAL PARTIAL PARTIAL
CVSS vektor AV:L/AC:M/Au:N/C:P/I:P/A:P
Zadnje važnije ažuriranje 13-09-2023 - 16:15
Objavljeno 06-07-2022 - 16:15