Heap-based buffer overflow in U-Boot

1) Heap-based buffer overflow

EUVDB-ID: #VU65331

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-33967

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The vulnerability exists due to a defect in the metadata reading process. An attacker with physical access can use a specially crafted squashfs image, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

U-Boot: 1.0.0 - 2022.07 rc6

CPE2.3

• cpe:2.3:a:denx:u-boot:2022.07:rc6:*:*:*:*:*:*
• cpe:2.3:a:denx:u-boot:2022.07:rc5:*:*:*:*:*:*
• cpe:2.3:a:denx:u-boot:2022.07:rc3:*:*:*:*:*:*

External links

http://jvn.jp/en/vu/JVNVU97846460/index.html

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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