SB2022081752 - SUSE update for u-boot
Published: August 17, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2022-33967)
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.
2) Stack-based buffer overflow (CVE-ID: CVE-2022-34835)
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.
Remediation
Install update from vendor's website.