SB2012022401 - Multiple vulnerabilities in Dropbox lepton

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Path traversal (CVE-ID: CVE-2012-0998)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in account/preferences.php in LEPTON before 1.1.4. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to include and execute arbitrary files via a . (dot dot) in the language parameter.

2) SQL injection (CVE-ID: CVE-2012-0999)

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the group_id parameter. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

3) Cross-site scripting (CVE-ID: CVE-2012-1000)

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in LEPTON 1.1.3 and other versions before 1.1.4 when processing the (1) message parameter to admins/login/forgot/index.php, or the (2) display_name or (3) email parameter to account/preferences.php. 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.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://www.lepton-cms.org/media/changelog/changelog_1.1.4.txt
• http://www.lepton-cms.org/posts/security-release-lepton-1.1.4-52.php
• https://www.htbridge.ch/advisory/HTB23072