Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2011-4597

The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests.

Published

2011-12-15T03:57:34.310

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.0 Yes
Application digium asterisk 1.8.1 Yes
Application digium asterisk 1.8.1 Yes
Application digium asterisk 1.8.1.1 Yes
Application digium asterisk 1.8.1.2 Yes
Application digium asterisk 1.8.2 Yes
Application digium asterisk 1.8.2.1 Yes
Application digium asterisk 1.8.2.2 Yes
Application digium asterisk 1.8.2.3 Yes
Application digium asterisk 1.8.2.4 Yes
Application digium asterisk 1.8.3 Yes
Application digium asterisk 1.8.3 Yes
Application digium asterisk 1.8.3 Yes
Application digium asterisk 1.8.3 Yes
Application digium asterisk 1.8.3.1 Yes
Application digium asterisk 1.8.3.2 Yes
Application digium asterisk 1.8.3.3 Yes
Application digium asterisk 1.8.4 Yes
Application digium asterisk 1.8.4 Yes
Application digium asterisk 1.8.4 Yes
Application digium asterisk 1.8.4 Yes
Application digium asterisk 1.8.4.1 Yes
Application digium asterisk 1.8.4.2 Yes
Application digium asterisk 1.8.4.3 Yes
Application digium asterisk 1.8.4.4 Yes
Application digium asterisk 1.8.5 Yes
Application digium asterisk 1.8.5 Yes
Application digium asterisk 1.8.5.0 Yes
Application digium asterisk 1.8.6.0 Yes
Application digium asterisk 1.8.6.0 Yes
Application digium asterisk 1.8.6.0 Yes
Application digium asterisk 1.8.6.0 Yes
Application digium asterisk 1.8.7.0 Yes
Application digium asterisk 1.8.7.0 Yes
Application digium asterisk 1.8.7.0 Yes
Application digium asterisk 1.8.7.1 Yes
Application digium asterisk 1.6.2.0 Yes
Application digium asterisk 1.6.2.0 Yes
Application digium asterisk 1.6.2.0 Yes
Application digium asterisk 1.6.2.0 Yes
Application digium asterisk 1.6.2.0 Yes
Application digium asterisk 1.6.2.0 Yes
Application digium asterisk 1.6.2.0 Yes
Application digium asterisk 1.6.2.0 Yes
Application digium asterisk 1.6.2.1 Yes
Application digium asterisk 1.6.2.1 Yes
Application digium asterisk 1.6.2.2 Yes
Application digium asterisk 1.6.2.3 Yes
Application digium asterisk 1.6.2.4 Yes
Application digium asterisk 1.6.2.5 Yes
Application digium asterisk 1.6.2.6 Yes
Application digium asterisk 1.6.2.6 Yes
Application digium asterisk 1.6.2.6 Yes
Application digium asterisk 1.6.2.15 Yes
Application digium asterisk 1.6.2.16 Yes
Application digium asterisk 1.6.2.16 Yes
Application digium asterisk 1.6.2.16.1 Yes
Application digium asterisk 1.6.2.16.2 Yes
Application digium asterisk 1.6.2.17 Yes
Application digium asterisk 1.6.2.17 Yes
Application digium asterisk 1.6.2.17 Yes
Application digium asterisk 1.6.2.17 Yes
Application digium asterisk 1.6.2.17.1 Yes
Application digium asterisk 1.6.2.17.2 Yes
Application digium asterisk 1.6.2.17.3 Yes
Application digium asterisk 1.6.2.18 Yes
Application digium asterisk 1.6.2.18 Yes
Application digium asterisk 1.6.2.19 Yes
Application digium asterisk 1.6.2.19 Yes
Application digium asterisk 1.6.2.20 Yes
Application digium asterisk 1.6.2.21 Yes
Application digium asterisk 1.4.0 Yes
Application digium asterisk 1.4.0 Yes
Application digium asterisk 1.4.0 Yes
Application digium asterisk 1.4.0 Yes
Application digium asterisk 1.4.0 Yes
Application digium asterisk 1.4.1 Yes
Application digium asterisk 1.4.2 Yes
Application digium asterisk 1.4.3 Yes
Application digium asterisk 1.4.4 Yes
Application digium asterisk 1.4.5 Yes
Application digium asterisk 1.4.6 Yes
Application digium asterisk 1.4.7 Yes
Application digium asterisk 1.4.7.1 Yes
Application digium asterisk 1.4.8 Yes
Application digium asterisk 1.4.9 Yes
Application digium asterisk 1.4.10 Yes
Application digium asterisk 1.4.10.1 Yes
Application digium asterisk 1.4.11 Yes
Application digium asterisk 1.4.12 Yes
Application digium asterisk 1.4.12.1 Yes
Application digium asterisk 1.4.13 Yes
Application digium asterisk 1.4.14 Yes
Application digium asterisk 1.4.15 Yes
Application digium asterisk 1.4.16 Yes
Application digium asterisk 1.4.16.1 Yes
Application digium asterisk 1.4.16.2 Yes
Application digium asterisk 1.4.17 Yes
Application digium asterisk 1.4.18 Yes
Application digium asterisk 1.4.19 Yes
Application digium asterisk 1.4.19 Yes
Application digium asterisk 1.4.19 Yes
Application digium asterisk 1.4.19 Yes
Application digium asterisk 1.4.19 Yes
Application digium asterisk 1.4.19.1 Yes
Application digium asterisk 1.4.19.2 Yes
Application digium asterisk 1.4.20 Yes
Application digium asterisk 1.4.20 Yes
Application digium asterisk 1.4.20 Yes
Application digium asterisk 1.4.20 Yes
Application digium asterisk 1.4.20.1 Yes
Application digium asterisk 1.4.21 Yes
Application digium asterisk 1.4.21 Yes
Application digium asterisk 1.4.21 Yes
Application digium asterisk 1.4.21.1 Yes
Application digium asterisk 1.4.21.2 Yes
Application digium asterisk 1.4.22 Yes
Application digium asterisk 1.4.22 Yes
Application digium asterisk 1.4.22 Yes
Application digium asterisk 1.4.22 Yes
Application digium asterisk 1.4.22 Yes
Application digium asterisk 1.4.22 Yes
Application digium asterisk 1.4.22.1 Yes
Application digium asterisk 1.4.22.2 Yes
Application digium asterisk 1.4.23 Yes
Application digium asterisk 1.4.23 Yes
Application digium asterisk 1.4.23 Yes
Application digium asterisk 1.4.23 Yes
Application digium asterisk 1.4.23 Yes
Application digium asterisk 1.4.23.1 Yes
Application digium asterisk 1.4.23.2 Yes
Application digium asterisk 1.4.24 Yes
Application digium asterisk 1.4.24 Yes
Application digium asterisk 1.4.24.1 Yes
Application digium asterisk 1.4.25 Yes
Application digium asterisk 1.4.25 Yes
Application digium asterisk 1.4.25.1 Yes
Application digium asterisk 1.4.26 Yes
Application digium asterisk 1.4.26 Yes
Application digium asterisk 1.4.26 Yes
Application digium asterisk 1.4.26 Yes
Application digium asterisk 1.4.26 Yes
Application digium asterisk 1.4.26 Yes
Application digium asterisk 1.4.26 Yes
Application digium asterisk 1.4.26.1 Yes
Application digium asterisk 1.4.26.2 Yes
Application digium asterisk 1.4.26.3 Yes
Application digium asterisk 1.4.27 Yes
Application digium asterisk 1.4.27 Yes
Application digium asterisk 1.4.27 Yes
Application digium asterisk 1.4.27 Yes
Application digium asterisk 1.4.27 Yes
Application digium asterisk 1.4.27 Yes
Application digium asterisk 1.4.27.1 Yes
Application digium asterisk 1.4.28 Yes
Application digium asterisk 1.4.28 Yes
Application digium asterisk 1.4.29 Yes
Application digium asterisk 1.4.29 Yes
Application digium asterisk 1.4.29.1 Yes
Application digium asterisk 1.4.30 Yes
Application digium asterisk 1.4.30 Yes
Application digium asterisk 1.4.30 Yes
Application digium asterisk 1.4.31 Yes
Application digium asterisk 1.4.31 Yes
Application digium asterisk 1.4.31 Yes
Application digium asterisk 1.4.32 Yes
Application digium asterisk 1.4.32 Yes
Application digium asterisk 1.4.33 Yes
Application digium asterisk 1.4.33 Yes
Application digium asterisk 1.4.33 Yes
Application digium asterisk 1.4.33.1 Yes
Application digium asterisk 1.4.34 Yes
Application digium asterisk 1.4.34 Yes
Application digium asterisk 1.4.34 Yes
Application digium asterisk 1.4.35 Yes
Application digium asterisk 1.4.35 Yes
Application digium asterisk 1.4.36 Yes
Application digium asterisk 1.4.36 Yes
Application digium asterisk 1.4.37 Yes
Application digium asterisk 1.4.37 Yes
Application digium asterisk 1.4.38 Yes
Application digium asterisk 1.4.38 Yes
Application digium asterisk 1.4.39 Yes
Application digium asterisk 1.4.39 Yes
Application digium asterisk 1.4.39.1 Yes
Application digium asterisk 1.4.39.2 Yes
Application digium asterisk 1.4.40 Yes
Application digium asterisk 1.4.40 Yes
Application digium asterisk 1.4.40 Yes
Application digium asterisk 1.4.40 Yes
Application digium asterisk 1.4.40.1 Yes
Application digium asterisk 1.4.40.2 Yes
Application digium asterisk 1.4.41 Yes
Application digium asterisk 1.4.41 Yes
Application digium asterisk 1.4.41.1 Yes
Application digium asterisk 1.4.41.2 Yes
Application digium asterisk 1.4.42 Yes
Application digium asterisk 1.4.42 Yes
Application digium asterisk 1.4.42 Yes
References