SB2022011822 - Multiple vulnerabilities in Oracle Application Express



SB2022011822 - Multiple vulnerabilities in Oracle Application Express

Published: January 18, 2022

Security Bulletin ID SB2022011822
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2021-37695)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the Fake Objects plugin. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


2) Incorrect Regular Expression (CVE-ID: CVE-2021-32723)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing regular expressions in Prism. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


Remediation

Install update from vendor's website.