SB2020060829 - Fedora 32 update for roundcubemail
Published: June 8, 2020 Updated: April 25, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2020-12641)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in rcube_image.php script when processing shell metacharacters in a configuration setting for im_convert_path or im_identify_path. A remote user with ability to change Roundcube Webmail configuration can inject and execute arbitrary OS commands.
2) Cross-site scripting (CVE-ID: CVE-2020-13965)
The 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 data passed via a malicious XML attachment because text/xml is among the allowed types for a preview. A remote attacker can open a specially crafted email and arbitrary JavaScript code will be executed 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.
3) Cross-site scripting (CVE-ID: CVE-2020-13964)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via the username template object.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "username" template object in "include/rcmail_output_html.php". A remote 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.
Remediation
Install update from vendor's website.