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Sicherheit: Zwei Probleme in Asterisk
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Asterisk
ID: FEDORA-2012-13338
Distribution: Fedora
Plattformen: Fedora 17
Datum: Mo, 17. September 2012, 22:39
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2186
http://downloads.asterisk.org/pub/security/AST-2012-012.pdf
http://downloads.asterisk.org/pub/security/AST-2012-013.pdf
Applikationen: Asterisk

Originalnachricht

Name        : asterisk
Product : Fedora 17
Version : 10.7.1
Release : 2.fc17
URL : http://www.asterisk.org/
Summary : The Open Source PBX
Description :
Asterisk is a complete PBX in software. It runs on Linux and provides
all of the features you would expect from a PBX and more. Asterisk
does voice over IP in three protocols, and can interoperate with
almost all standards-based telephony equipment using relatively
inexpensive hardware.

-------------------------------------------------------------------------------
-
Update Information:

fix build on s390
The Asterisk Development Team has announced security releases for Certified
Asterisk 1.8.11 and Asterisk 1.8 and 10. The available security releases are
released as versions 1.8.11-cert7, 1.8.15.1, 10.7.1, and 10.7.1-digiumphones.

These releases are available for immediate download at
http://downloads.asterisk.org/pub/telephony/asterisk/releases

The release of Asterisk 1.8.11-cert7, 1.8.15.1, 10.7.1, and
10.7.1-digiumphones
resolve the following two issues:

* A permission escalation vulnerability in Asterisk Manager Interface. This
would potentially allow remote authenticated users the ability to execute
commands on the system shell with the privileges of the user running the
Asterisk application. Please note that the
README-SERIOUSLY.bestpractices.txt
file delivered with Asterisk has been updated due to this and other related
vulnerabilities fixed in previous versions of Asterisk.

* When an IAX2 call is made using the credentials of a peer defined in a
dynamic Asterisk Realtime Architecture (ARA) backend, the ACL rules for that
peer are not applied to the call attempt. This allows for a remote attacker
who is aware of a peer's credentials to bypass the ACL rules set for
that
peer.

These issues and their resolutions are described in the security advisories.

For more information about the details of these vulnerabilities, please read
security advisories AST-2012-012 and AST-2012-013, which were released at the
same time as this announcement.

For a full list of changes in the current releases, please see the ChangeLogs:

ChangeLog-1.8.11-cert7
ChangeLog-1.8.15.1
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-10.7.1
ChangeLog-10.7.1-digiumphones

The security advisories are available at:

* http://downloads.asterisk.org/pub/security/AST-2012-012.pdf
* http://downloads.asterisk.org/pub/security/AST-2012-013.pdf

-------------------------------------------------------------------------------
-
ChangeLog:

* Tue Sep 4 2012 Dan Horák <dan[at]danny.cz> - 10.7.1-2
- fix build on s390
* Thu Aug 30 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.7.1-1
- The Asterisk Development Team has announced security releases for Certified
- Asterisk 1.8.11 and Asterisk 1.8 and 10. The available security releases are
- released as versions 1.8.11-cert7, 1.8.15.1, 10.7.1, and 10.7.1-digiumphones.
-
- These releases are available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/releases
-
- The release of Asterisk 1.8.11-cert7, 1.8.15.1, 10.7.1, and
10.7.1-digiumphones
- resolve the following two issues:
-
- * A permission escalation vulnerability in Asterisk Manager Interface. This
- would potentially allow remote authenticated users the ability to execute
- commands on the system shell with the privileges of the user running the
- Asterisk application. Please note that the
README-SERIOUSLY.bestpractices.txt
- file delivered with Asterisk has been updated due to this and other related
- vulnerabilities fixed in previous versions of Asterisk.
-
- * When an IAX2 call is made using the credentials of a peer defined in a
- dynamic Asterisk Realtime Architecture (ARA) backend, the ACL rules for
that
- peer are not applied to the call attempt. This allows for a remote attacker
- who is aware of a peer's credentials to bypass the ACL rules set for
that
- peer.
-
- These issues and their resolutions are described in the security advisories.
-
- For more information about the details of these vulnerabilities, please read
- security advisories AST-2012-012 and AST-2012-013, which were released at the
- same time as this announcement.
-
- For a full list of changes in the current releases, please see the
ChangeLogs:
-
- ChangeLog-1.8.11-cert7
- ChangeLog-1.8.15.1
- ChangeLog-10.7.1
- ChangeLog-10.7.1-digiumphones
-
- The security advisories are available at:
-
- * http://downloads.asterisk.org/pub/security/AST-2012-012.pdf
- * http://downloads.asterisk.org/pub/security/AST-2012-013.pdf
* Thu Aug 30 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.7.0-1
- The Asterisk Development Team has announced the release of Asterisk 10.7.0.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk
-
- The release of Asterisk 10.7.0 resolves several issues reported by the
- community and would have not been possible without your participation.
- Thank you!
-
- The following is a sample of the issues resolved in this release:
-
- * --- Fix deadlock potential with ast_set_hangupsource() calls.
- (Closes issue ASTERISK-19801. Reported by Alec Davis)
-
- * --- Fix request routing issue when outboundproxy is used.
- (Closes issue ASTERISK-20008. Reported by Marcus Hunger)
-
- * --- Set the Caller ID "tag" on peers even if remote party
- information is present.
- (Closes issue ASTERISK-19859. Reported by Thomas Arimont)
-
- * --- Fix NULL pointer segfault in ast_sockaddr_parse()
- (Closes issue ASTERISK-20006. Reported by Michael L. Young)
-
- * --- Do not perform install on existing directories
- (Closes issue ASTERISK-19492. Reported by Karl Fife)
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-10.7.0
* Thu Aug 30 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.6.1-1
- The Asterisk Development Team has announced the release of Asterisk 10.6.1.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk
-
- The release of Asterisk 10.6.1 resolves an issue reported by the
- community and would have not been possible without your participation.
- Thank you!
-
- The following is the issue resolved in this release:
-
- * --- Remove a superfluous and dangerous freeing of an SSL_CTX.
- (Closes issue ASTERISK-20074. Reported by Trevor Helmsley)
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-10.6.1
* Thu Aug 30 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.6.0-1
- The Asterisk Development Team has announced the release of Asterisk 10.6.0.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk
-
- The release of Asterisk 10.6.0 resolves several issues reported by the
- community and would have not been possible without your participation.
- Thank you!
-
- The following is a sample of the issues resolved in this release:
-
- * --- format_mp3: Fix a possible crash in mp3_read().
- (Closes issue ASTERISK-19761. Reported by Chris Maciejewsk)
-
- * --- Fix local channel chains optimizing themselves out of a call.
- (Closes issue ASTERISK-16711. Reported by Alec Davis)
-
- * --- Re-add LastMsgsSent value for SIP peers
- (Closes issue ASTERISK-17866. Reported by Steve Davies)
-
- * --- Prevent sip_pvt refleak when an ast_channel outlasts its
- corresponding sip_pvt.
- (Closes issue ASTERISK-19425. Reported by David Cunningham)
-
- * --- Send more accurate identification information in dialog-info SIP
- NOTIFYs.
- (Closes issue ASTERISK-16735. Reported by Maciej Krajewski)
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-10.6.0
* Wed Jul 18 2012 Fedora Release Engineering
<rel-eng@lists.fedoraproject.org> - 10.5.2-1.2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
* Mon Jul 9 2012 Petr Pisar <ppisar@redhat.com> - 10.5.2-1.1
- Perl 5.16 rebuild
* Thu Jul 5 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.5.2-1:
- The Asterisk Development Team has announced security releases for Certified
- Asterisk 1.8.11 and Asterisk 1.8 and 10. The available security releases are
- released as versions 1.8.11-cert4, 1.8.13.1, 10.5.2, and 10.5.2-digiumphones.
-
- These releases are available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/releases
-
- The release of Asterisk 1.8.11-cert4, 1.8.13.1, 10.5.2, and
10.5.2-digiumphones
- resolve the following two issues:
-
- * If Asterisk sends a re-invite and an endpoint responds to the re-invite
with
- a provisional response but never sends a final response, then the SIP
dialog
- structure is never freed and the RTP ports for the call are never released.
If
- an attacker has the ability to place a call, they could create a denial of
- service by using all available RTP ports.
-
- * If a single voicemail account is manipulated by two parties simultaneously,
- a condition can occur where memory is freed twice causing a crash.
-
- These issues and their resolution are described in the security advisories.
-
- For more information about the details of these vulnerabilities, please read
- security advisories AST-2012-010 and AST-2012-011, which were released at the
- same time as this announcement.
-
- For a full list of changes in the current releases, please see the
ChangeLogs:
-
- ChangeLog-1.8.11-cert4
- ChangeLog-1.8.13.1
- ChangeLog-10.5.2
- ChangeLog-10.5.2-digiumphones
-
- The security advisories are available at:
-
- * http://downloads.asterisk.org/pub/security/AST-2012-010.pdf
- * http://downloads.asterisk.org/pub/security/AST-2012-011.pdf
* Thu Jun 28 2012 Petr Pisar <ppisar@redhat.com> - 10.5.1-1.1
- Perl 5.16 rebuild
* Fri Jun 15 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.5.1-1
- The Asterisk Development Team has announced a security release for Asterisk
10.
- This security release is released as version 10.5.1.
-
- The release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/releases
-
- The release of Asterisk 10.5.1 resolves the following issue:
-
- * A remotely exploitable crash vulnerability was found in the Skinny (SCCP)
- Channel driver. When an SCCP client sends an Off Hook message, followed by
- a Key Pad Button Message, a structure that was previously set to NULL is
- dereferenced. This allows remote authenticated connections the ability to
- cause a crash in the server, denying services to legitimate users.
-
- This issue and its resolution is described in the security advisory.
-
- For more information about the details of this vulnerability, please read
- security advisory AST-2012-009, which was released at the same time as this
- announcement.
-
- For a full list of changes in the current releases, please see the ChangeLog:
-
- ChangeLog-10.5.1
-
- The security advisory is available at:
-
- * http://downloads.asterisk.org/pub/security/AST-2012-009.pdf
* Fri Jun 15 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.5.0-1
- The Asterisk Development Team has announced the release of Asterisk 10.5.0.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk
-
- The release of Asterisk 10.5.0 resolves several issues reported by the
- community and would have not been possible without your participation.
- Thank you!
-
- The following is a sample of the issues resolved in this release:
-
- * --- Turn off warning message when bind address is set to any.
- (Closes issue ASTERISK-19456. Reported by Michael L. Young)
-
- * --- Prevent overflow in calculation in ast_tvdiff_ms on 32-bit
- machines
- (Closes issue ASTERISK-19727. Reported by Ben Klang)
-
- * --- Make DAHDISendCallreroutingFacility wait 5 seconds for a reply
- before disconnecting the call.
- (Closes issue ASTERISK-19708. Reported by mehdi Shirazi)
-
- * --- Fix recalled party B feature flags for a failed DTMF atxfer.
- (Closes issue ASTERISK-19383. Reported by lgfsantos)
-
- * --- Fix DTMF atxfer running h exten after the wrong bridge ends.
- (Closes issue ASTERISK-19717. Reported by Mario)
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-10.5.0
* Mon Jun 11 2012 Petr Pisar <ppisar@redhat.com> - 10.4.2-1.1
- Perl 5.16 rebuild
* Wed May 30 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.4.2-1
- The Asterisk Development Team has announced the release of Asterisk 10.4.2.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk
-
- The release of Asterisk 10.4.2 resolves several issues reported by the
- community and would have not been possible without your participation.
- Thank you!
-
- The following are the issues resolved in this release:
-
- * --- Resolve crash in subscribing for MWI notifications
- (Closes issue ASTERISK-19827. Reported by B. R)
-
- * --- Fix crash in ConfBridge when user announcement is played for
- more than 2 users
- (Closes issue ASTERISK-19899. Reported by Florian Gilcher)
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-10.4.2
* Wed May 30 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.4.1-1
- The Asterisk Development Team has announced security releases for Certified
- Asterisk 1.8.11 and Asterisk 1.8 and 10. The available security releases are
- released as versions 1.8.11-cert2, 1.8.12.1, and 10.4.1.
-
- These releases are available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/releases
-
- The release of Asterisk 1.8.11-cert2, 1.8.12.1, and 10.4.1 resolve the
following
- two issues:
-
- * A remotely exploitable crash vulnerability exists in the IAX2 channel
- driver if an established call is placed on hold without a suggested music
- class. Asterisk will attempt to use an invalid pointer to the music
- on hold class name, potentially causing a crash.
-
- * A remotely exploitable crash vulnerability was found in the Skinny (SCCP)
- Channel driver. When an SCCP client closes its connection to the server,
- a pointer in a structure is set to NULL. If the client was not in the
- on-hook state at the time the connection was closed, this pointer is later
- dereferenced. This allows remote authenticated connections the ability to
- cause a crash in the server, denying services to legitimate users.
-
- These issues and their resolution are described in the security advisories.
-
- For more information about the details of these vulnerabilities, please read
- security advisories AST-2012-007 and AST-2012-008, which were released at the
- same time as this announcement.
-
- For a full list of changes in the current releases, please see the
ChangeLogs:
-
- ChangeLog-1.8.11-cert2
- ChangeLog-1.8.12.1
- ChangeLog-10.4.1
-
- The security advisories are available at:
-
- * http://downloads.asterisk.org/pub/security/AST-2012-007.pdf
- * http://downloads.asterisk.org/pub/security/AST-2012-008.pdf
* Fri May 4 2012 Jeffrey Ollie <jeff@ocjtech.us> - 10.4.0-1
- The Asterisk Development Team has announced the release of Asterisk 10.4.0.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk
-
- The release of Asterisk 10.4.0 resolves several issues reported by the
- community and would have not been possible without your participation.
- Thank you!
-
- The following are the issues resolved in this release:
-
- * --- Prevent chanspy from binding to zombie channels
- (Closes issue ASTERISK-19493. Reported by lvl)
-
- * --- Fix Dial m and r options and forked calls generating warnings
- for voice frames.
- (Closes issue ASTERISK-16901. Reported by Chris Gentle)
-
- * --- Remove ISDN hold restriction for non-bridged calls.
- (Closes issue ASTERISK-19388. Reported by Birger Harzenetter)
-
- * --- Fix copying of CDR(accountcode) to local channels.
- (Closes issue ASTERISK-19384. Reported by jamicque)
-
- * --- Ensure Asterisk acknowledges ACKs to 4xx on Replaces errors
- (Closes issue ASTERISK-19303. Reported by Jon Tsiros)
-
- * --- Eliminate double close of file descriptor in manager.c
- (Closes issue ASTERISK-18453. Reported by Jaco Kroon)
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-10.4.0
-------------------------------------------------------------------------------
-
References:

[ 1 ] Bug #853541 - CVE-2012-2186 Asterisk: Asterisk Manager User
Unauthorized Shell Access
https://bugzilla.redhat.com/show_bug.cgi?id=853541
-------------------------------------------------------------------------------
-

This update can be installed with the "yum" update program. Use
su -c 'yum update asterisk' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
-------------------------------------------------------------------------------
-
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