SB2021042315 - Multiple vulnerabilities in Oracle Communications Application Session Controller

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Main Vulnerability Database SB2021042315

SB2021042315 - Multiple vulnerabilities in Oracle Communications Application Session Controller

Published: April 23, 2021 Updated: September 22, 2022

Security Bulletin ID SB2021042315
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2020-11987)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


2) Comparison using wrong factors (CVE-ID: CVE-2020-28052)

The vulnerability allows a remote attacker to brute-force password hashes.

The vulnerability exists due to comparison error in OpenBSDBCrypt.checkPassword() function in core/src/main/java/org/bouncycastle/crypto/generators/OpenBSDBCrypt.java when matching passwords with hashes. A remote attacker can pass an incorrect password that will be accepted as a valid one by the library, bypass authentication process and gain unauthorized access to the application that uses vulnerable version of Bouncy Castle.


Remediation

Install update from vendor's website.

References