This CVE name corresponds to:
| Entered | Topic |
|---|---|
| 2011-06-25 | Asterisk -- multiple vulnerabilities |
The following information is adapted from the Common Vulnerabilities and Exposures (CVE) project. CVE and the CVE logo are trademarks of The MITRE Corporation. CVE content is Copyright 2005, The MITRE Corporation.
| Type | Candidate |
| Name | CVE-2011-2536 |
| Phase | Assigned(20110627) |
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, 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.
| Source | Reference |
|---|---|
| CONFIRM | http://downloads.asterisk.org/pub/security/AST-2011-011-1.8.diff |
| CONFIRM | http://downloads.asterisk.org/pub/security/AST-2011-011.html |
| SECTRACK | 1025734 |
Copyright © 2005 The MITRE Corporation.
Copyright © 2003-2005 Jacques Vidrine and contributors.
Please see the source of this document for full copyright
information.