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Configuration

CVE-2011-2666

Medium
5/10

Summary

The default configuration of the SIP channel driver in Asterisk Open Source 1.4.x through 1.4.41.2 and 1.6.2.x through 1.6.2.18.2 does not enable the alwaysauthreject option, which allows remote attackers to enumerate account names by making a series of invalid SIP requests and observing the differences in the responses for different usernames, a different vulnerability than CVE-2011-2536.

  • LOW
  • NETWORK
  • NONE
  • NONE
  • PARTIAL
  • NONE

CWE-16 - Configuration

Weaknesses in this category are typically introduced during the configuration of the software.

References

Advisory Timeline

  • Published