#VU66594 Stack-based buffer overflow in Universal Boot Loader (U-Boot) - CVE-2022-34835
Published: August 17, 2022
Vulnerability identifier: #VU66594
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-34835
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Universal Boot Loader (U-Boot)
Universal Boot Loader (U-Boot)
Software vendor:
DENX
DENX
Description
The vulnerability allows an attacker to escalate privileges on the system.
The vulnerability exists due to a boundary error in the do_i2c_md() function within the "i2c md" command. An attacker with physical access to device can trigger a stack-based buffer overflow and escalate privileges on the system.
Remediation
Install updates from vendor's website.