SB20250328415 - Anolis OS update for multiple packages
Published: March 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2023-40546)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the mirror_one_esl() function in mok.c while creating a new ESL variable. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
2) Out-of-bounds read (CVE-ID: CVE-2023-40549)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the verify_buffer_authenticode() function when parsing PE binary. A remote attacker can pass a specially crafted PE binary to the loader, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
3) Out-of-bounds read (CVE-ID: CVE-2023-40550)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the verify_buffer_sbat() function. A remote attacker can trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
4) Out-of-bounds read (CVE-ID: CVE-2023-40551)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when parsing MZ binaries. A remote attacker can pass a specially crafted MZ binary to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.