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NetSaro Enterprise Messenger Server Administration Console Weak Cryptographic Password Storage Vulnerability
From: robkraus () soutionary com
Date: Mon, 15 Aug 2011 15:46:04 GMT

NetSaro Enterprise Messenger Server Administration Console Weak Cryptographic Password Storage Vulnerability

CVSS Risk Rating: 4.6 (Medium)

Product: NetSaro Enterprise Messenger Server

Application Vendor: SEM Software

Vendor URL: http://www.netsaro.com/

Public disclosure date: 8/15/2011

Discovered by: Jose Hernandez, Rob Kraus, and Solutionary Engineering Research Team (SERT)

Solutionary ID: SERT-VDN-1010

Solutionary public disclosure URL: 
http://www.solutionary.com/index/SERT/Vuln-Disclosures/NetSaro-Enterprise-Messenger-Vulnerability.html

Vulnerability Description: A vulnerability exists in the NetSaro Enterprise Messenger Server application allowing an 
attacker to easily decrypt passwords used to authenticate to the application. The application implements Base64 
encoding to obfuscate the values of plaintext passwords used for logging into the server administration console. This 
is a second level attack that requires access to the password files stored within the application root directory. An 
attacker who has previously compromised the host operating system or achieved direct access to the configuration.xml 
file found in the "NetSaro Enterprise Server" directory can obtain the encoded user credentials and decrypt them using 
readily available Base64 decoding tools. More information about this class of vulnerability can be obtained by visiting 
http://cwe.mitre.org/top25/index.html#CWE-327 : Use of a Broken or Risky Cryptographic Algorithm – CWE 327

Affected software versions: NetSaro Enterprise Messenger Server v2.0 (previous versions may also be vulnerable)

Impact: In cases where access to the configuration.xml file is obtained, an attacker can decrypt all username and 
password values and reuse them against other systems within the network.

Fixed in: None Available

Remediation guidelines: Limit access to this hosts running the software and apply security patches as they become 
available.


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