This update fixes AST-2011-013 and AST-2011-014. It also adapts to changes
in the iLBC codec files.
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Asterisk Project Security Advisory - AST-2011-013
Product Asterisk
Summary Possible remote enumeration of SIP endpoints with
differing NAT settings
Nature of Advisory Unauthorized data disclosure
Susceptibility Remote unauthenticated sessions
Severity Minor
Exploits Known Yes
Reported On 2011-07-18
Reported By Ben Williams
Posted On
Last Updated On December 7, 2011
Advisory Contact Terry Wilson <twilson at digium.com>
CVE Name
Description It is possible to enumerate SIP usernames when the general
and user/peer NAT settings differ in whether to respond to
the port a request is sent from or the port listed for
responses in the Via header. In 1.4 and 1.6.2, this would
mean if one setting was nat=yes or nat=route and the other
was either nat=no or nat=never. In 1.8 and 10, this would
mean when one was nat=force_rport or nat=yes and the other
was nat=no or nat=comedia.
Resolution Handling NAT for SIP over UDP requires the differing
behavior introduced by these options.
To lessen the frequency of unintended username disclosure,
the default NAT setting was changed to always respond to the
port from which we received the request-the most commonly
used option.
Warnings were added on startup to inform administrators of
the risks of having a SIP peer configured with a different
setting than that of the general setting. The documentation
now strongly suggests that peers are no longer configured
for NAT individually, but through the global setting in the
"general" context.
Affected Versions
Product Release Series
Asterisk Open Source All All versions
Corrected In
As this is more of an issue with SIP over UDP in general, there is no
fix supplied other than documentation on how to avoid the problem. The
default NAT setting has been changed to what we believe the most
commonly used setting for the respective version in Asterisk 1.4.43,
1.6.2.21, and 1.8.7.2.
Links
Asterisk Project Security Advisories are posted at
http://www.asterisk.org/security
This document may be superseded by later versions; if so, the latest
version will be posted at
http://downloads.digium.com/pub/security/AST-2011-013.pdf and
http://downloads.digium.com/pub/security/AST-2011-013.html
Revision History
Date Editor Revisions Made
Asterisk Project Security Advisory - AST-2011-013
Copyright (c) 2011 Digium, Inc. All Rights Reserved.
Permission is hereby granted to distribute and publish this advisory in its
original, unaltered form.
__________________________________________________________________
Asterisk Project Security Advisory - AST-2011-014
Product Asterisk
Summary Remote crash possibility with SIP and the "automon"
feature enabled
Nature of Advisory Remote crash vulnerability in a feature that is
disabled by default
Susceptibility Remote unauthenticated sessions
Severity Moderate
Exploits Known Yes
Reported On November 2, 2011
Reported By Kristijan Vrban
Posted On 2011-11-03
Last Updated On December 7, 2011
Advisory Contact Terry Wilson <twilson at digium.com>
CVE Name
Description When the "automon" feature is enabled in features.conf, it
is possible to send a sequence of SIP requests that cause
Asterisk to dereference a NULL pointer and crash.
Resolution Applying the referenced patches that check that the pointer
is not NULL before accessing it will resolve the issue. The
"automon" feature can be disabled in features.conf as a
workaround.
Affected Versions
Product Release Series
Asterisk Open Source 1.6.2.x All versions
Asterisk Open Source 1.8.x All versions
Corrected In
Product Release
Asterisk Open Source 1.6.2.21, 1.8.7.2
Patches
Download URL Revision
http://downloads.asterisk.org/pub/security/AST-2011-014-1.6.2.diff 1.6.2.20
http://downloads.asterisk.org/pub/security/AST-2011-014-1.8.diff 1.8.7.1
Links
Asterisk Project Security Advisories are posted at
http://www.asterisk.org/security
This document may be superseded by later versions; if so, the latest
version will be posted at
http://downloads.digium.com/pub/security/AST-2011-014.pdf and
http://downloads.digium.com/pub/security/AST-2011-014.html
Revision History
Date Editor Revisions Made
Asterisk Project Security Advisory - AST-2011-014
Copyright (c) 2011 Digium, Inc. All Rights Reserved.
Permission is hereby granted to distribute and publish this advisory in its
original, unaltered form.
This commit is contained in:
jnemeth
parent
b58c786ac2
commit
2e4af05973
3 changed files with 21 additions and 22 deletions
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@ -1,10 +1,9 @@
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# $NetBSD: Makefile,v 1.34 2011/12/05 04:18:32 jnemeth Exp $
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# $NetBSD: Makefile,v 1.35 2011/12/12 05:05:33 jnemeth Exp $
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#
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# NOTE: when updating this package, there are two places that sound
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# tarballs need to be checked
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DISTNAME= asterisk-1.6.2.19
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PKGREVISION= 2
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DISTNAME= asterisk-1.6.2.21
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DIST_SUBDIR= ${PKGNAME_NOREV}
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DISTFILES= ${DEFAULT_DISTFILES}
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EXTRACT_ONLY= ${DISTNAME}.tar.gz
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@ -1,17 +1,17 @@
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$NetBSD: distinfo,v 1.22 2011/07/05 08:34:47 jnemeth Exp $
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$NetBSD: distinfo,v 1.23 2011/12/12 05:05:34 jnemeth Exp $
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SHA1 (asterisk-1.6.2.19/asterisk-1.6.2.19.tar.gz) = a81b426fa5146696abfdacd171f31f48aa976eb7
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RMD160 (asterisk-1.6.2.19/asterisk-1.6.2.19.tar.gz) = 89710872034d9ebaa54d66ed0d7f5f6724caa780
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Size (asterisk-1.6.2.19/asterisk-1.6.2.19.tar.gz) = 23818324 bytes
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SHA1 (asterisk-1.6.2.19/asterisk-extra-sounds-en-gsm-1.4.11.tar.gz) = 8692fa61423b4769dc8bfa78faf9ed5ef7a259b9
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RMD160 (asterisk-1.6.2.19/asterisk-extra-sounds-en-gsm-1.4.11.tar.gz) = 68170c769d739d6b5b35b00f999ad6bbf876f9f6
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Size (asterisk-1.6.2.19/asterisk-extra-sounds-en-gsm-1.4.11.tar.gz) = 3349898 bytes
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SHA1 (asterisk-1.6.2.19/extract-cfile.awk) = c4f08eee1ab83c041bde1ab91672a4a3c43c28b8
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RMD160 (asterisk-1.6.2.19/extract-cfile.awk) = cd59f8e5807732023d5aec95187e2d5572f400a4
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Size (asterisk-1.6.2.19/extract-cfile.awk) = 667 bytes
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SHA1 (asterisk-1.6.2.19/rfc3951.txt) = 1a6c769be750fb02456d60db2470909254496017
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RMD160 (asterisk-1.6.2.19/rfc3951.txt) = 15f7ec61653ec9953172f8f2150e7d8f6f620926
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Size (asterisk-1.6.2.19/rfc3951.txt) = 373442 bytes
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SHA1 (asterisk-1.6.2.21/asterisk-1.6.2.21.tar.gz) = 6b7e6868a826d45234c537763d5d20cb0ffc6f97
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RMD160 (asterisk-1.6.2.21/asterisk-1.6.2.21.tar.gz) = c7e326c69b2e7951477ef8a22f74ccda012eef74
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Size (asterisk-1.6.2.21/asterisk-1.6.2.21.tar.gz) = 23807382 bytes
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SHA1 (asterisk-1.6.2.21/asterisk-extra-sounds-en-gsm-1.4.11.tar.gz) = 8692fa61423b4769dc8bfa78faf9ed5ef7a259b9
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RMD160 (asterisk-1.6.2.21/asterisk-extra-sounds-en-gsm-1.4.11.tar.gz) = 68170c769d739d6b5b35b00f999ad6bbf876f9f6
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Size (asterisk-1.6.2.21/asterisk-extra-sounds-en-gsm-1.4.11.tar.gz) = 3349898 bytes
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SHA1 (asterisk-1.6.2.21/extract-cfile.txt) = b22874814c83a53bcd1a8d96b5911304f304971e
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RMD160 (asterisk-1.6.2.21/extract-cfile.txt) = e7205fe7e95793f3ca6e384edeef1ad5713485e0
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Size (asterisk-1.6.2.21/extract-cfile.txt) = 643 bytes
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SHA1 (asterisk-1.6.2.21/rfc3951.txt) = 1a6c769be750fb02456d60db2470909254496017
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RMD160 (asterisk-1.6.2.21/rfc3951.txt) = 15f7ec61653ec9953172f8f2150e7d8f6f620926
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Size (asterisk-1.6.2.21/rfc3951.txt) = 373442 bytes
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SHA1 (patch-aa) = 8c2a3c75adff34474c8f416bcea5842e771e4631
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SHA1 (patch-af) = 09860d714281cb4c65d1a087cf5b16647a16e2fa
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SHA1 (patch-ag) = c71c61350cefbbe53eefa99245ca7712753f22d5
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@ -1,4 +1,4 @@
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# $NetBSD: options.mk,v 1.11 2011/10/11 03:15:50 jnemeth Exp $
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# $NetBSD: options.mk,v 1.12 2011/12/12 05:05:34 jnemeth Exp $
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PKG_OPTIONS_VAR= PKG_OPTIONS.asterisk
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PKG_SUPPORTED_OPTIONS= zaptel x11 unixodbc ilbc webvmail ldap
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@ -44,9 +44,9 @@ CONFIGURE_ARGS+= --without-odbc
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.if !empty(PKG_OPTIONS:Milbc)
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DISTFILES+= rfc3951.txt
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SITES.rfc3951.txt= http://www.ietf.org/rfc/
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DISTFILES+= extract-cfile.awk
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SITES.extract-cfile.awk= http://www.ilbcfreeware.org/documentation/
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USE_TOOLS+= awk
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DISTFILES+= extract-cfile.txt
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SITES.extract-cfile.txt= http://www.ilbcfreeware.org/documentation/
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USE_TOOLS+= awk tr
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PLIST.ilbc= yes
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.endif
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@ -72,8 +72,8 @@ post-configure:
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post-extract:
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.if !empty(PKG_OPTIONS:Milbc)
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cp ${DISTDIR}/${DIST_SUBDIR}/rfc3951.txt ${WRKSRC}/codecs/ilbc
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cp ${DISTDIR}/${DIST_SUBDIR}/extract-cfile.awk ${WRKSRC}/codecs/ilbc
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cd ${WRKSRC}/codecs/ilbc && ${AWK} -f extract-cfile.awk < rfc3951.txt
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cp ${DISTDIR}/${DIST_SUBDIR}/extract-cfile.txt ${WRKSRC}/codecs/ilbc
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cd ${WRKSRC}/codecs/ilbc && ${TR} -d '\r' < extract-cfile.txt | ${AWK} -f - rfc3951.txt
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.endif
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.if !empty(PKG_OPTIONS:Mwebvmail)
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