SB2022101471 - Fedora 37 update for ckeditor



SB2022101471 - Fedora 37 update for ckeditor

Published: October 14, 2022

Security Bulletin ID SB2022101471
Severity
Medium
Patch available
YES
Number of vulnerabilities 4
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 4 secuirty vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2022-24728)

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 core HTML processing module. A remote attacker can inject 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-2022-24729)

The vulnerability allows a remote attacker to perform regular expression denial of service attack.

The vulnerability exists due to improper input validation in CKEditor 4 dialog plugin. A remote attacker can pass specially crafted input to the application and perform regular expression denial of service (ReDoS) attack.


3) Cross-site scripting (CVE-ID: CVE-2021-41165)

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 when processing HTML comments. A remote attacker can inject 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.


4) Cross-site scripting (CVE-ID: CVE-2021-41164)

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 Advanced Content Filter (ACF) core module. A remote attacker can inject 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.


Remediation

Install update from vendor's website.