Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
0

CVE-2009-3727

Disclosure Date: November 10, 2009
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Description

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.

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CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Vendors

  • digium

Products

  • asterisk 1.2.0,
  • asterisk 1.2.1,
  • asterisk 1.2.10,
  • asterisk 1.2.11,
  • asterisk 1.2.12,
  • asterisk 1.2.12.1,
  • asterisk 1.2.13,
  • asterisk 1.2.14,
  • asterisk 1.2.15,
  • asterisk 1.2.16,
  • asterisk 1.2.17,
  • asterisk 1.2.18,
  • asterisk 1.2.19,
  • asterisk 1.2.2,
  • asterisk 1.2.20,
  • asterisk 1.2.21,
  • asterisk 1.2.21.1,
  • asterisk 1.2.22,
  • asterisk 1.2.23,
  • asterisk 1.2.24,
  • asterisk 1.2.25,
  • asterisk 1.2.26,
  • asterisk 1.2.26.1,
  • asterisk 1.2.26.2,
  • asterisk 1.2.27,
  • asterisk 1.2.28,
  • asterisk 1.2.28.1,
  • asterisk 1.2.29,
  • asterisk 1.2.3,
  • asterisk 1.2.30,
  • asterisk 1.2.30.1,
  • asterisk 1.2.30.2,
  • asterisk 1.2.30.3,
  • asterisk 1.2.30.4,
  • asterisk 1.2.31,
  • asterisk 1.2.31.1,
  • asterisk 1.2.32,
  • asterisk 1.2.33,
  • asterisk 1.2.34,
  • asterisk 1.4.0,
  • asterisk 1.4.1,
  • asterisk 1.4.10,
  • asterisk 1.4.10.1,
  • asterisk 1.4.11,
  • asterisk 1.4.12,
  • asterisk 1.4.12.1,
  • asterisk 1.4.13,
  • asterisk 1.4.14,
  • asterisk 1.4.15,
  • asterisk 1.4.16,
  • asterisk 1.4.16.1,
  • asterisk 1.4.16.2,
  • asterisk 1.4.17,
  • asterisk 1.4.18,
  • asterisk 1.4.19,
  • asterisk 1.4.19.1,
  • asterisk 1.4.19.2,
  • asterisk 1.4.2,
  • asterisk 1.4.20,
  • asterisk 1.4.20.1,
  • asterisk 1.4.21,
  • asterisk 1.4.21.1,
  • asterisk 1.4.21.2,
  • asterisk 1.4.22,
  • asterisk 1.4.22.1,
  • asterisk 1.4.22.2,
  • asterisk 1.4.23,
  • asterisk 1.4.23.1,
  • asterisk 1.4.23.2,
  • asterisk 1.4.24,
  • asterisk 1.4.24.1,
  • asterisk 1.4.25,
  • asterisk 1.4.25.1,
  • asterisk 1.4.26,
  • asterisk 1.4.26.1,
  • asterisk 1.4.26.2,
  • asterisk 1.4.3,
  • asterisk 1.4.4,
  • asterisk 1.4.5,
  • asterisk 1.4.6,
  • asterisk 1.4.7,
  • asterisk 1.4.7.1,
  • asterisk 1.4.8,
  • asterisk 1.4.9,
  • asterisk 1.6.0,
  • asterisk 1.6.0.1,
  • asterisk 1.6.0.10,
  • asterisk 1.6.0.11,
  • asterisk 1.6.0.14,
  • asterisk 1.6.0.15,
  • asterisk 1.6.0.16,
  • asterisk 1.6.0.2,
  • asterisk 1.6.0.3,
  • asterisk 1.6.0.4,
  • asterisk 1.6.0.5,
  • asterisk 1.6.0.6,
  • asterisk 1.6.0.7,
  • asterisk 1.6.0.8,
  • asterisk 1.6.0.9,
  • asterisk 1.6.1.0,
  • asterisk 1.6.1.1,
  • asterisk 1.6.1.10,
  • asterisk 1.6.1.2,
  • asterisk 1.6.1.3,
  • asterisk 1.6.1.4,
  • asterisk 1.6.1.5,
  • asterisk 1.6.1.6,
  • asterisk 1.6.1.7,
  • asterisk 1.6.1.8,
  • asterisk a,
  • asterisk b,
  • asterisk b.1.3.2,
  • asterisk b.1.3.3,
  • asterisk b.2.2.0,
  • asterisk b.2.2.1,
  • asterisk b.2.3.1,
  • asterisk b.2.3.2,
  • asterisk b.2.3.3,
  • asterisk b.2.3.4,
  • asterisk b.2.3.5,
  • asterisk b.2.3.6,
  • asterisk b.2.5.0,
  • asterisk b.2.5.1,
  • asterisk b.2.5.2,
  • asterisk b.2.5.3,
  • asterisk c,
  • asterisk c.2.3,
  • asterisk c.3.0,
  • asterisknow 1.5,
  • s800i 1.3.0,
  • s800i 1.3.0.2,
  • s800i 1.3.0.3,
  • s800i 1.3.0.4
Technical Analysis