SB2022012746 - Multiple vulnerabilities in Oracle Communications Cloud Native Core Network Function Cloud Native Environment

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Main Vulnerability Database SB2022012746

SB2022012746 - Multiple vulnerabilities in Oracle Communications Cloud Native Core Network Function Cloud Native Environment

Published: January 27, 2022

Security Bulletin ID SB2022012746
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Insufficient verification of data authenticity (CVE-ID: CVE-2021-3448)

The vulnerability allows a remote attacker to perform a DNS Cache Poisoning attack.

The vulnerability exists due to dnsmasq relies only on transmission ID when processing DNS queries and uses the same port for outgoing requests, when configured to given network interface. A remote attacker can guess the random transmission ID to forge a reply and get it accepted by dnsmasq.As a result, an attacker can perform a DNS Cache Poisoning attack.


2) Observable discrepancy (CVE-ID: CVE-2021-33560)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to observable discrepancy. A remote attacker can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.

References