SB2022040123 - Fedora 37 update for fribidi
Published: April 1, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Stack-based buffer overflow (CVE-ID: CVE-2022-25308)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trigger stack-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) Heap-based buffer overflow (CVE-ID: CVE-2022-25309)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in fribidi_cap_rtl_to_unicode. A remote attacker can pass specially crafted data to the application, trigger 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.
3) Input validation error (CVE-ID: CVE-2022-25310)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to improper handling of empty input when removing marks from unicode strings. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.