Unrated severityNVD Advisory· Published Dec 15, 2011· Updated Apr 29, 2026
CVE-2011-4597
CVE-2011-4597
Description
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.
Affected products
208cpe:2.3:a:digium:asterisk:1.4.0:*:*:*:*:*:*:*+ 207 more
- cpe:2.3:a:digium:asterisk:1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.10:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.11:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.12:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.13:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.14:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.15:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.16:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.16.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.16.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.17:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.18:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.24:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.24.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.24:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.25:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.25.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.25:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc6:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.28:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.28:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.29:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.29.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.29:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.30:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.30:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.30:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.31:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.31:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.31:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.32:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.32:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.33:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.33.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.33:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.33:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.34:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.34:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.34:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.35:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.35:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.36:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.36:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.37:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.37:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.38:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.38:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.39:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.39.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.39.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.39:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.41:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.41.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.41.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.41:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.42:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.42:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.42:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.8:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.9:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc6:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc7:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc8:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.15:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.18:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.18:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.19:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.19:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.20:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.21:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.3:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.5:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.6.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.6.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.7.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.7.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.7.1:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- archives.neohapsis.com/archives/bugtraq/2011-12/0151.htmlnvd
- downloads.asterisk.org/pub/security/AST-2011-013.htmlnvd
- lists.digium.com/pipermail/asterisk-dev/2011-November/052191.htmlnvd
- openwall.com/lists/oss-security/2011/12/09/3nvd
- openwall.com/lists/oss-security/2011/12/09/4nvd
- osvdb.org/77597nvd
- secunia.com/advisories/47273nvd
- www.debian.org/security/2011/dsa-2367nvd
News mentions
0No linked articles in our index yet.