openEuler update for uboot-tools

1) Stack-based buffer overflow

EUVDB-ID: #VU66594

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: CVE-2022-34835

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

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 repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

uboot-tools-help: before 2020.07-6

uboot-images-armv8: before 2020.07-6

uboot-images-elf: before 2020.07-6

uboot-tools-debuginfo: before 2020.07-6

uboot-tools-debugsource: before 2020.07-6

uboot-tools: before 2020.07-6

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1751

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.