Zimbra Desktop 7.1.2 Script Injection

2012-01-17 / 2012-08-07
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

Title: ====== Zimbra Desktop v7.1.2 - Persistent Software Vulnerability Date: ===== 2012-01-12 References: =========== http://www.vulnerability-lab.com/get_content.php?id=378 VL-ID: ===== 378 Introduction: ============= The Zimbra offline client (also Zimbra Desktop) for Microsoft Windows, Apple Mac OS and Linux is currently available in version 7.1.2. He is with the web interface in appearance and operation almost completely identical. The offline client is a Mozilla Prism application. (Copy from the Vendor Homepage: http://de.wikipedia.org/wiki/Zimbra#Zimbra_Desktop) Abstract: ========= Vulnerability-Lab Team discovered multiple persistent Web Vulnerabilities on Zimbras Prism Desktop Application. Report-Timeline: ================ 2011-11-01: Vendor Notification 2012-01-12: Public or Non-Public Disclosure Status: ======== Published Affected Products: ================== Zimbra Inc. Product: Zimbra Desktop v7.1.2 b10978 Exploitation-Technique: ======================= Remote Severity: ========= Medium Details: ======== Multiple input validation vulnerabilities(persistent) are detected on Zimbra Desktop v7.1.2. Local attackers can include (persistent) malicious script code to manipulate specific customer/admin requests. The vulnerability allows an local privileged attacker to manipulate the appliance(application) via persistent script code inject. It is also possible to hijack customer sessions via persistent script code execution on application side. Successful exploitation can also result in context/module request manipulation, execution of persistent malicious script code, session hijacking(account steal) & application side mailbox phishing attacks. Vulnerable Module(s): [+] Label Name - Username & MailBox Name Picture(s): ../1.png ../2.png ../3.png Proof of Concept: ================= The vulnerability can be exploited by local low privileged user accounts or local attackers. For demonstration or reproduce ... PoC: >"%3E%22%3C%69%66%72%61%6D%65%20%73%72%63%3D%68%74%74%70%3A%2F%2F%76%75%6C%6E%65%72%61%62 %69%6C%69%74%79%2D%6C%61%62%2E%63%6F%6D%20%77%69%64%74%68%3D%36%30%30%20%68%65%69%67%68 %74%3D%36%30%30%3E%3E%3C%22%3C%73%63%72%69%70%74%3E%61%6C%65%72%74%28%64%6F%63%75%6D%65 %6E%74%2E%63%6F%6F%6B%69%65%29%3C%2F%73%63%72%69%70%74%3E%3C%64%69%76%20%73%74%79%6C%65 %3D%22%31 Solution: ========= The vulnerability can be patched/fixed via restrict on the input fields and parse on the input/output section or listings. Risk: ===== The security risk of the persistent software vulnerability is estimated as medium(-). Credits: ======== Vulnerability Research Laboratory - N/A Anonymous Disclaimer: =========== The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability- Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability- Lab. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other media, are reserved by Vulnerability-Lab or its suppliers. Copyright 2012|Vulnerability-Lab -- Website: www.vulnerability-lab.com ; vuln-lab.com or vuln-db.com Contact: admin@vulnerability-lab.com or support@vulnerability-lab.com

References:

http://www.vulnerability-lab.com/get_content.php?id=378


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