SB2022110164 - Anolis OS update for sqlite
Published: November 1, 2022 Updated: 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-2020-35525)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the INTERSEC query processing. 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-2020-35527)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when handling ALTER TABLE for views that have a nested FROM clause. A remote attacker can pass specially crafted input to the application, trigger an out-of-bounds read error and read contents of memory on the system.
3) Input validation error (CVE-ID: CVE-2020-13435)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in sqlite3ExprCodeTarget() function in expr.c. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
4) Out-of-bounds write (CVE-ID: CVE-2020-15358)
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
In SQLite before 3.32.3, select.c mishandles query-flattener optimization, leading to a multiSelectOrderBy heap overflow because of misuse of transitive properties for constant propagation.
Remediation
Install update from vendor's website.