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CVE ID: | 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. |
Test IDs: | 1.3.6.1.4.1.25623.1.0.70595 1.3.6.1.4.1.25623.1.0.70579 |
Cross References: |
Common Vulnerability Exposure (CVE) ID: CVE-2011-4597 Bugtraq: 20111222 Exploit for Asterisk Security Advisory AST-2011-013 (Google Search) http://archives.neohapsis.com/archives/bugtraq/2011-12/0151.html Debian Security Information: DSA-2367 (Google Search) http://www.debian.org/security/2011/dsa-2367 http://lists.digium.com/pipermail/asterisk-dev/2011-November/052191.html http://openwall.com/lists/oss-security/2011/12/09/3 http://openwall.com/lists/oss-security/2011/12/09/4 http://osvdb.org/77597 http://secunia.com/advisories/47273 |