Vulnerability: Row Hammer Attack Exploit in Sudo (CVE-2021-3156)

CVE-2023-42465 · HIGH Severity

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Sudo before 1.9.15 might allow row hammer attacks (for authentication bypass or privilege escalation) because application logic sometimes is based on not equaling an error value (instead of equaling a success value), and because the values do not resist flips of a single bit.

Learn more about our Web Application Penetration Testing UK.