SB2011071401 - Fedora EPEL 6 update for squirrelmail
Published: July 14, 2011 Updated: April 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2011-2023)
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in functions/mime.php in SquirrelMail before 1.4.22. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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-2010-4555)
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in SquirrelMail 1.4.21 and earlier when processing vectors involving (1) drop-down selection lists, (2) the . A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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) Input validation error (CVE-ID: CVE-2010-4554)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
functions/page_header.php in SquirrelMail 1.4.21 and earlier does not prevent page rendering inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.
Remediation
Install update from vendor's website.