CVE-2011-4597 (GCVE-0-2011-4597)
Vulnerability from cvelistv5
Published
2011-12-15 02:00
Modified
2024-08-07 00:09
Severity ?
CWE
  • n/a
Summary
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.
References
http://osvdb.org/77597 vdb-entry, x_refsource_OSVDB
http://downloads.asterisk.org/pub/security/AST-2011-013.html x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2011/12/09/4 mailing-list, x_refsource_MLIST
http://openwall.com/lists/oss-security/2011/12/09/3 mailing-list, x_refsource_MLIST
http://secunia.com/advisories/47273 third-party-advisory, x_refsource_SECUNIA
http://archives.neohapsis.com/archives/bugtraq/2011-12/0151.html mailing-list, x_refsource_BUGTRAQ
http://www.debian.org/security/2011/dsa-2367 vendor-advisory, x_refsource_DEBIAN
http://lists.digium.com/pipermail/asterisk-dev/2011-November/052191.html mailing-list, x_refsource_MLIST
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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