Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.3, 1.6.0.x before 1.6.0.17, and 1.6.1.x before 1.6.1.9; Business Edition A.x.x, B.x.x before B.2.5.12, C.2.x.x before C.2.4.5, and C.3.x.x before C.3.2.2; AsteriskNOW 1.5; and s800i 1.3.x before 1.3.0.5 generate different error messages depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames via multiple crafted REGISTER messages with inconsistent usernames in the URI in the To header and the Digest in the Authorization header.
No CVSS v3.1
No CVSS v3.0
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
AV:N/AC:L/Au:N/C:P/I:N/A:N
Vendors | Products |
---|---|
Digium |
|
Configuration 1 [-]
|
Configuration 2 [-]
|
Configuration 3 [-]
|
Configuration 4 [-]
|
References
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: redhat
Published: 2009-11-10T18:00:00
Updated: 2009-11-19T10:00:00
Reserved: 2009-10-16T00:00:00
Link: CVE-2009-3727
JSON object: View
NVD Information
Status : Modified
Published: 2009-11-10T18:30:00.250
Modified: 2009-12-23T06:58:25.813
Link: CVE-2009-3727
JSON object: View
Redhat Information
No data.
CWE