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.
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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Configuration 4 (hide)
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History
No history.
Information
Published : 2009-11-10 18:30
Updated : 2009-12-23 06:58
NVD link : CVE-2009-3727
Mitre link : CVE-2009-3727
CVE.ORG link : CVE-2009-3727
JSON object : View
Products Affected
digium
- asterisk
- asterisknow
- s800i
CWE
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor