SB2021072139 - Multiple vulnerabilities in Oracle Communications Diameter Signaling Router (DSR)

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Main Vulnerability Database SB2021072139

SB2021072139 - Multiple vulnerabilities in Oracle Communications Diameter Signaling Router (DSR)

Published: July 21, 2021

Security Bulletin ID SB2021072139
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2016-0762)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to improper input validation within the Provisioning (Apache Tomcat) component in Oracle Communications Diameter Signaling Router (DSR). A remote non-authenticated attacker can exploit this vulnerability to manipulate data.


2) Improper Authentication (CVE-ID: CVE-2020-11998)

The vulnerability allows a remote client to bypass authentication process.

The vulnerability exists due to an error in authentication process, caused by incorrect implementation of protection measures against JMX re-bind attack. A remote attacker can bypass authentication process by passing an empty environment map to RMIConnectorServer, instead of the map that contains the authentication credentials.As a result, a remote client can create javax.management.loading.MLet MBean and use it to create new MBeans from arbitrary URLs.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References