Vulnerability identifier: #VU66594
Vulnerability risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-121
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 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
U-Boot: 1.0.0 - 2022.07 rc5
External links
http://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409
http://lists.denx.de/pipermail/u-boot/2022-June/486113.html
http://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409
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.