Description
Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x before 1.3.0.2; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames.
CVSS Metrics
- Vector
- AV:N/AC:M/Au:S/C:P/I:N/A:N
- Access Vector
- network
- Access Cmplx
- medium
- Auth
- single
- Confidentiality
- partial
- Integrity
- none
- Availability
- none
- Weaknesses
- CWE-200
Metadata
- Primary Vendor
- ASTERISK
- Published
- 9/4/2008
- Last Modified
- 4/9/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
asterisk : p_b_xasterisk : p_b_xasterisk : p_b_xasterisk : p_b_xtrixbox : pbx
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