Vulnerability identifier: #VU69943
Vulnerability risk: Low
CVSSv3.1: 5.6 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
U-Boot
Client/Desktop applications /
Other client software
Vendor: DENX
Description
The vulnerability allows an attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in the U-Boot DFU implementation when processing download setup packets. An attacker with physical access to device can send a USB DFU download setup packet with a `wLength` greater than 4096 bytes, trigger a heap-based buffer overflow and execute arbitrary code on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
U-Boot: 2022.01 - 2022.10 rc5
External links
http://seclists.org/oss-sec/2022/q3/41
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.