Liferay CE < 6.2 CE GA6 - Persistent Cross-Site Scripting

  • 作者: Fernando Câmara
    日期: 2016-06-02
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/39880/
  • CVE-2016-3670 Stored Cross Site Scripting in Liferay CE
    
    1. Vulnerability Properties
    
    Title: Stored Cross-Site Scripting Liferay CE
    CVE ID: CVE-2016-3670
    CVSSv3 Base Score: 4.6 (AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N)
    Vendor: Liferay Inc
    Products: Liferay
    Advisory Release Date: 27 May 2016
    Advisory URL: https://labs.integrity.pt/advisories/cve-2016-3670
    Credits: Discovery by Fernando Câmara <fbc[at]integrity.pt>
    
    2. Vulnerability Summary
    
    Liferay is vulnerable to a stored XSS when an user is created with an
    malicious payload on the FirstName field.
    The javascript payload is executed when another user tries to use the
    profile search section.
    3. Technical Details
    
    An XSS vulnerability was found on the Profile Search functionality,
    accessible through User -> My Profile -> Search.An attacker can set a
    malicious javascript payload on hisFirst Name affecting anyone who
    performs a search using a keyword present on his profile.
    
    The exploitation of this vulnerability could lead to an effective way to
    grab cookies (stealing sessions) from anyone that uses that search
    component.
    
    Exploitation Request: (User Registration with an malicious FirstName field)
    
    POST /liferay/web/guest/home?p_p_id=58&p_p_lifecycle=1&p_p_state=
    maximized&p_p_mode=view&_58_struts_action=%2Flogin%2Fcreate_account
    
    Data:
    
    _58_firstName=%22%3E%3Cscript%3Ealert%28%27xss%27%29%3C%2
    
    The vulnerability is located on the users.jsp and as shown below the origin
    is the lack of validation of user input:
    
    line 64: <a data-value=”<%= curUserName %>” href=”javascript:;”>
    
    4. Vulnerable Versions
    
    < 6.2 CE GA6
    
    5. Solution
    
    Update to version 7.0.0 CE RC1
    
    6. Vulnerability Timeline
    
    21/Jan/16 - Bug reported to Liferay
    22/Mar/16 – Bug verified by vendor
    22/Mar/16 – Bug fixed by vendor
    27/May/16 – Advisory released
    
    
    7. References
    
    https://issues.liferay.com/browse/LPS-62387
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3670