Multiple vulnerabilities in DENX U-Boot

Published: 2022-06-09

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-30552 CVE-2022-30790
CWE-ID	CWE-119 CWE-787
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software Subscribe	U-Boot Client/Desktop applications / Other client software
Vendor	DENX

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU64137

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-30552

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the implementation of IP Packet Defragmentation. A remote attacker on the local network can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

U-Boot: 2022.01

External links

http://github.com/u-boot/u-boot/tags
http://research.nccgroup.com/2022/06/03/technical-advisory-multiple-vulnerabilities-in-u-boot-cve-2022-30790-cve-2022-30552/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds write

EUVDB-ID: #VU64139

Risk: Medium

CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-30790

CWE-ID: CWE-787 - Out-of-bounds write