SB2024122051 - openEuler 22.03 LTS SP1 update for arm-trusted-firmware

Description

This security bulletin contains information about 2 vulnerabilities.

1) Integer underflow (CVE-ID: CVE-2024-6285)

CWE-ID: CWE-191 - Integer underflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer underflow in image range check calculations. A local user can trigger an integer underflow and execute arbitrary code with elevated privileges.

2) Incorrect calculation (CVE-ID: CVE-2024-6287)

CWE-ID: CWE-682 - Incorrect Calculation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect calculation. When checking whether a new image invades/overlaps with a previously loaded image the code neglects to consider a few cases. A local user can bypass secure boot restrictions and escalate privileges on the system.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2568