SB2023101883 - Multiple vulnerabilities in Oracle Communications Cloud Native Core Network Repository Function
Published: October 18, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Incorrect default permissions (CVE-ID: CVE-2023-2976)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions in com.google.common.io.FileBackedOutputStream. A local user with access to the system can view contents of files and directories or modify them.
2) Heap-based buffer overflow (CVE-ID: CVE-2022-24834)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the cjson and cmsgpack libraries. A remote attacker can trick the victim into using a specially crafted Lua script to 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.
3) Security features bypass (CVE-ID: CVE-2023-34034)
The vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to the usage of "**" as a pattern in Spring Security configuration for WebFlux creates a mismatch in pattern matching between Spring Security and Spring WebFlux. A remote unauthenticated attacker can trigger the vulnerability to bypass security restrictions.
Remediation
Install update from vendor's website.