SB2020061115 - Multiple vulnerabilities in Roundcube Webmail

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020061115

SB2020061115 - Multiple vulnerabilities in Roundcube Webmail

Published: June 11, 2020 Updated: June 26, 2024

Security Bulletin ID SB2020061115
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) 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.


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.


Remediation

Install update from vendor's website.

References