• Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before, 1.6.2.x before, and 1.8.x before, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests.
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Date Entry Created
20110627 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 (20110627)
Votes (Legacy)
Comments (Legacy)
Proposed (Legacy)
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