Citrix NetScaler Web management interface information disclosure

netscaler-webmanagement-info-disclosure (38646) The risk level is classified as LowLow Risk

Description:

Citrix NetScaler could allow a remote attacker to obtain sensitive information. The Web management interface stores user credentials within a cookie using weak encryption. A remote attacker could exploit this vulnerability using a known-plaintext attack to capture a cookie and obtain cleartext credentials and other sensitive information.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: None
 
Temporal Score: 4
  Exploitability: Unproven
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Obtain Information

Remedy:

No remedy available as of July 1, 2014.

References:

  • BugTraq Mailing List, Sun Nov 25 2007 - 20:06:03 CST : Citrix NetScaler Web Management Cookie Weakness.
  • Citrix Systems Web site: Citrix.
  • CVE-2007-6192: The web management interface in Citrix NetScaler 8.0 build 47.8 uses weak encryption (XOR of unpadded data) to store credentials within a cookie, which makes it easier for remote attackers to obtain cleartext credentials when a cookie is captured via a known-plaintext attack.
  • OSVDB ID: 44156: Citrix NetScaler Web Management Interface Cookie Credentials Encryption Weakness
  • SECTRACK ID: 1018991: Citrix NetScaler Cookie Weakness May Let Users Access Arbitrary Accounts

Platforms Affected:

  • Citrix NetScaler 8.0_build_47.8

Reported:

Nov 25, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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