• Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings
The default configuration of the SIP channel driver in Asterisk Open Source 1.4.x through and 1.6.2.x through 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.
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
Date Entry Created
20110706 Disclaimer: The entry creation date may reflect when the CVE-ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20110706)
Votes (Legacy)
Comments (Legacy)
Proposed (Legacy)
This is an entry on the CVE list, which standardizes names for security problems.