NVD
- Id
- 9310
- Name
- CVE-2011-2536
- Description
- 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.
- Reject
- CVSS Version
- 2
- CVSS Score
- 5
- Severity
- Medium
- CVSS Base Score
- 5
- CVSS Impact Subscore
- 2.9
- CVSS Exploit Subscore
- 10
- CVSS Vector
- (AV:N/AC:L/Au:N/C:P/I:N/A:N)
- Pub Date
- 2017-01-07
- Published
- 2011-07-06
- Modified Date
- 2011-09-06
- Seq
- 2011-2536