Buffer overflow in Universal Boot Loader (U-Boot) - CVE-2022-30767
Published: June 15, 2022
Vulnerability identifier: #VU64420
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-30767
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: DENX
Affected software:
Universal Boot Loader (U-Boot)
Universal Boot Loader (U-Boot)
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the nfs_lookup_reply() function in net/nfs.c. A remote attacker can pass specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability exists due to incomplete fix for CVE-2019-14196.
How to mitigate CVE-2022-30767
Install updates from vendor's website.