Test ID:	1.3.6.1.4.1.25623.1.0.70595
Category:	FreeBSD Local Security Checks
Title:	FreeBSD Ports: asterisk18
Summary:	The remote host is missing an update to the system; as announced in the referenced advisory.
Description:	Summary: The remote host is missing an update to the system as announced in the referenced advisory. Vulnerability Insight: The following packages are affected: asterisk18 asterisk16 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. CVE-2011-4598 channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests. Solution: Update your system with the appropriate patches or software upgrades. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2011-4597 20111222 Exploit for Asterisk Security Advisory AST-2011-013 http://archives.neohapsis.com/archives/bugtraq/2011-12/0151.html 47273 http://secunia.com/advisories/47273 77597 http://osvdb.org/77597 DSA-2367 http://www.debian.org/security/2011/dsa-2367 [asterisk-dev] 20111108 Summary: SIP, NAT, security concerns, oh my! http://lists.digium.com/pipermail/asterisk-dev/2011-November/052191.html [oss-security] 20111209 CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014 http://openwall.com/lists/oss-security/2011/12/09/3 [oss-security] 20111209 Re: CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014 http://openwall.com/lists/oss-security/2011/12/09/4 http://downloads.asterisk.org/pub/security/AST-2011-013.html Common Vulnerability Exposure (CVE) ID: CVE-2011-4598 77598 http://osvdb.org/77598 http://downloads.asterisk.org/pub/security/AST-2011-014.html
Copyright	Copyright (C) 2012 E-Soft Inc.

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