Chetcpasswd error message username enumeration

chetcpasswd-error-message-enumeration (30454) The risk level is classified as LowLow Risk

Description:

Chetcpasswd could allow a remote attacker to determine valid usernames. Chetcpasswd returns different error messages depending on whether a valid username has been entered during a login attempt. An attacker could use this information to enumerate valid usernames.


Consequences:

Obtain Information

Remedy:

No remedy available as of February 6, 2010.

References:

  • Chetcpasswd Web site: SARG.
  • Debian Bug report logs - #394454: uses HTTP_X_FORWARDED_FOR for authentication (and other security holes).
  • BID-21102: Chetcpasswd Multiple Vulnerabilities
  • CVE-2006-6682: Pedro Lineu Orso chetcpasswd 2.3.3 provides a different error message when a request with a valid username fails, compared to a request with an invalid username, which allows remote attackers to determine valid usernames on the system.
  • SA22967: chetcpasswd Multiple Vulnerabilities

Platforms Affected:

  • chetcpasswd chetcpasswd 2.3.3-1

Reported:

Oct 21, 2006

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