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Sicherheit: Zwei Probleme in Asterisk
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Asterisk
ID: FEDORA-2011-3942
Distribution: Fedora
Plattformen: Fedora 14
Datum: Fr, 1. April 2011, 08:19
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1174
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1175
Applikationen: Asterisk

Originalnachricht

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Fedora Update Notification
FEDORA-2011-3942
2011-03-23 22:08:44
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Name : asterisk
Product : Fedora 14
Version : 1.6.2.17.2
Release : 1.fc14
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.

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Update Information:

The Asterisk Development Team has announced security releases for Asterisk
branches 1.6.1, 1.6.2, and 1.8. The available security releases are
released as versions 1.6.1.24, 1.6.2.17.2, and 1.8.3.2.
These releases are available for immediate download at
http://downloads.asterisk.org/pub/telephony/asterisk/releases
** This is a re-release of Asterisk 1.6.1.23, 1.6.2.17.1 and 1.8.3.1 which
contained a bug which caused duplicate manager entries (issue #18987).
The releases of Asterisk 1.6.1.24, 1.6.2.17.2, and 1.8.3.2 resolve two issues:
* Resource exhaustion in Asterisk Manager Interface (AST-2011-003)
* Remote crash vulnerability in TCP/TLS server (AST-2011-004)
The issues and resolutions are described in the AST-2011-003 and AST-2011-004
security advisories.
For more information about the details of these vulnerabilities, please read
the
security advisories AST-2011-003 and AST-2011-004, which were released at the
same time as this announcement.
For a full list of changes in the current releases, please see the ChangeLog:
ChangeLog-1.6.1.24
ChangeLog-1.6.2.17.2
http://downloads.asterisk.org/pub/telephony/asterisk/releases/ChangeLog-1.8.3.2
Security advisory AST-2011-003 and AST-2011-004 are available at:
http://downloads.asterisk.org/pub/security/AST-2011-003.pdf
http://downloads.asterisk.org/pub/security/AST-2011-004.pdf
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-
ChangeLog:

* Wed Mar 23 2011 Jeffrey C. Ollie <jeff@ocjtech.us> - 1.6.2.17.2-1
- The Asterisk Development Team has announced security releases for Asterisk
- branches 1.6.1, 1.6.2, and 1.8. The available security releases are
- released as versions 1.6.1.24, 1.6.2.17.2, and 1.8.3.2.
-
- These releases are available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/releases
-
- ** This is a re-release of Asterisk 1.6.1.23, 1.6.2.17.1 and 1.8.3.1 which
- contained a bug which caused duplicate manager entries (issue #18987).
-
- The releases of Asterisk 1.6.1.24, 1.6.2.17.2, and 1.8.3.2 resolve two
issues:
-
- * Resource exhaustion in Asterisk Manager Interface (AST-2011-003)
- * Remote crash vulnerability in TCP/TLS server (AST-2011-004)
-
- The issues and resolutions are described in the AST-2011-003 and AST-2011-004
- security advisories.
-
- For more information about the details of these vulnerabilities, please read
the
- security advisories AST-2011-003 and AST-2011-004, which were released at the
- same time as this announcement.
-
- For a full list of changes in the current releases, please see the ChangeLog:
-
- ChangeLog-1.6.1.24
- ChangeLog-1.6.2.17.2
- ChangeLog-1.8.3.2
-
- Security advisory AST-2011-003 and AST-2011-004 are available at:
-
- http://downloads.asterisk.org/pub/security/AST-2011-003.pdf
- http://downloads.asterisk.org/pub/security/AST-2011-004.pdf
* Tue Mar 1 2011 <jeff@ocjtech.us> - 1.6.2.17-1
- The Asterisk Development Team has announced the release of Asterisk 1.6.2.17.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/
-
- The release of Asterisk 1.6.2.17 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:
-
- * Resolve duplicated data in the AstDB when using DIALGROUP()
- (Closes issue #18091. Reported by bunny. Patched by tilghman)
-
- * Correct issue where res_config_odbc could populate fields with invalid
data.
- (Closes issue #18251, #18279. Reported by bcnit, zerohalo. Tested by trev,
- jthurman, elguero, zerohalo. Patched by tilghman)
-
- * When using cdr_pgsql the billsec field was not populated correctly on
- unanswered calls.
- (Closes issue #18406. Reported by joscas. Patched by tilghman)
-
- * Resolve issue where re-transmissions of SUBSCRIBE could break presence.
- (Closes issue #18075. Reported by mdu113. Patched by twilson)
-
- * Fix regression causing forwarding voicemails to not work with file storage.
- (Closes issue #18358. Reported by cabal95. Patched by jpeeler)
-
- * This version of Asterisk includes the new Compiler Flags option
- BETTER_BACKTRACES which uses libbfd to search for better symbol information
- within both the Asterisk binary, as well as loaded modules, to assist when
- using inline backtraces to track down problems.
- (Patched by tilghman)
-
- * Resolve several issues with DTMF based attended transfers.
- (Closes issues #17999, #17096, #18395, #17273. Reported by iskatel, gelo,
- shihchaun, grecco. Patched by rmudgett).
- NOTE: Be sure to read the ChangeLog for more information about these
changes.
-
- * Resolve issue where no Music On Hold may be triggered when using
- res_timing_dahdi.
- (Closes issues #18262. Reported by francesco_r. Patched by cjacobson. Tested
- by francesco_r, rfrantik, one47)
-
- * Fix regression that changed behavior of queues when ringing a queue member.
- (Closes issue #18747, #18733. Reported by vrban. Patched by qwell.)
-
- Additionally, this release has the changes related to security bulletin
- AST-2011-002 which can be found at
- http://downloads.asterisk.org/pub/security/AST-2011-002.pdf
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-1.6.2.17
* Mon Feb 21 2011 <jeff@ocjtech.us> - 1.6.2.16.2-1
-
- Asterisk Project Security Advisory - AST-2011-002
-
- Product Asterisk
- Summary Multiple array overflow and crash vulnerabilities in
- UDPTL code
- Nature of Advisory Exploitable Stack and Heap Array Overflows
- Susceptibility Remote Unauthenticated Sessions
- Severity Critical
- Exploits Known No
- Reported On January 27, 2011
- Reported By Matthew Nicholson
- Posted On February 21, 2011
- Last Updated On February 21, 2011
- Advisory Contact Matthew Nicholson <mnicholson@digium.com>
- CVE Name
-
- Description When decoding UDPTL packets, multiple stack and heap based
- arrays can be made to overflow by specially crafted packets.
- Systems doing T.38 pass through or termination are vulnerable.
-
- Resolution The UDPTL decoding routines have been modified to respect the
- limits of exploitable arrays.
-
- In asterisk versions not containing the fix for this issue,
- disabling T.38 support will prevent this vulnerability from
- being exploited. T.38 support can be disabled in chan_sip by
- setting the t38pt_udptl option to "no" (it is off by
default).
-
- t38pt_udptl = no
-
- The chan_ooh323 module should also be disabled by adding the
- following line in modles.conf.
-
- noload => chan_ooh323
-
- Affected Versions
- Product Release Series
- Asterisk Open Source 1.4.x All versions
- Asterisk Open Source 1.6.x All versions
- Asterisk Business Edition C.x.x All versions
- AsteriskNOW 1.5 All versions
- s800i (Asterisk Appliance) 1.2.x All versions
-
- Corrected In
- Product Release
- Asterisk Open Source 1.4.39.2, 1.6.1.22, 1.6.2.16.2, 1.8.2.4
- Asterisk Business Edition C.3.6.3
-
- Patches
- URL Branch
- http://downloads.asterisk.org/pub/security/AST-2011-002-1.4.diff 1.4
- http://downloads.asterisk.org/pub/security/AST-2011-002-1.6.1.diff 1.6.1
- http://downloads.asterisk.org/pub/security/AST-2011-002-1.6.2.diff 1.6.2
- http://downloads.asterisk.org/pub/security/AST-2011-002-1.8.diff 1.8
-
- 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-2011-002.pdf and
- http://downloads.digium.com/pub/security/AST-2011-002.html
-
- Revision History
- Date Editor Revisions Made
- 02/21/11 Matthew Nicholson Initial Release
-
- Asterisk Project Security Advisory - AST-2011-002
- Copyright (c) 2011 Digium, Inc. All Rights Reserved.
- Permission is hereby granted to distribute and publish this advisory in its
- original, unaltered form.
* Tue Jan 25 2011 Jeffrey C. Ollie <jeff@ocjtech.us> - 1.6.2.16.1-1
-
- The Asterisk Development Team has announced security releases for the
following
- versions of Asterisk:
-
- * 1.4.38.1
- * 1.4.39.1
- * 1.6.1.21
- * 1.6.2.15.1
- * 1.6.2.16.1
- * 1.8.1.2
- * 1.8.2.1
-
- These releases are available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/releases
-
- The releases of Asterisk 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1,
1.6.2.16.2,
- 1.8.1.2, and 1.8.2.1 resolve an issue when forming an outgoing SIP request
while
- in pedantic mode, which can cause a stack buffer to be made to overflow if
- supplied with carefully crafted caller ID information. The issue and
resolution
- are described in the AST-2011-001 security advisory.
-
- For more information about the details of this vulnerability, please read the
- security advisory AST-2011-001, 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-1.4.38.1
- ChangeLog-1.4.39.1
- ChangeLog-1.6.1.21
- ChangeLog-1.6.2.15.1
- ChangeLog-1.6.2.16.1
- ChangeLog-1.8.1.2
- ChangeLog-1.8.2.1
-
- Security advisory AST-2011-001 is available at:
-
- http://downloads.asterisk.org/pub/security/AST-2011-001.pdf
* Tue Jan 25 2011 Jeffrey C. Ollie <jeff@ocjtech.us> - 1.6.2.16.1-1
-
- The Asterisk Development Team has announced the release of Asterisk 1.6.2.16.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/
-
- The release of Asterisk 1.6.2.16 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 cache of device state changes for multiple servers.
- (Closes issue #18284, #18280. Reported, tested by klaus3000. Patched, tested
- by russellb)
-
- * Resolve issue where channel redirect function (CLI or AMI) hangs up the
call
- instead of redirecting the call.
- (Closes issue #18171. Reported by: SantaFox)
- (Closes issue #18185. Reported by: kwemheuer)
- (Closes issue #18211. Reported by: zahir_koradia)
- (Closes issue #18230. Reported by: vmarrone)
- (Closes issue #18299. Reported by: mbrevda)
- (Closes issue #18322. Reported by: nerbos)
-
- * Linux and *BSD disagree on the elements within the ucred structure. Detect
- which one is in use on the system.
- (Closes issue #18384. Reported, patched, tested by bjm, tilghman)
-
- * app_followme: Don't create a Local channel if the target extension does
not
- exist.
- (Closes issue #18126. Reported, patched by junky)
-
- * Revert code that changed SSRC for DTMF.
- (Closes issue #17404, #18189, #18352. Reported by sdolloff, marcbou. rsw686.
- Tested by cmbaker82)
-
- * Resolve issue where REGISTER request with a Call-ID matching an existing
- transaction is received it was possible that the REGISTER request would
- overwrite the initreq of the private structure.
- (Closes issue #18051. Reported by eeman. Patched, tested by twilson)
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-1.6.2.16
* Tue Jan 25 2011 Jeffrey C. Ollie <jeff@ocjtech.us> - 1.6.2.16.1-1
-
- The Asterisk Development Team has announced the release of Asterisk 1.6.2.15.
- This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/
-
- The release of Asterisk 1.6.2.15 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:
-
- * When using chan_skinny, don't crash when parking a non-bridged call.
- (Closes issue #17680. Reported, tested by jmhunter. Patched, tested by DEA)
-
- * Add ability for Asterisk to try both the encoded and unencoded subscription
- URI for a match in hints.
- (Closes issue #17785. Reported, tested by ramonpeek. Patched by tilghman)
-
- * Set the caller id on CDRs when it is set on the parent channel.
- (Closes issue #17569. Reported, patched by tbelder)
-
- * Ensure user portion of SIP URI matches dialplan when using encoded
characters
- (Closes issue #17892. Reported by wdoekes. Patched by jpeeler)
-
- * Resolve issue where Party A in an analog 3-way call would continue to hear
- ringback after party C answers.
- (Patched by rmudgett)
-
- * Fix problem with qualify option packets for realtime peers never stopping.
- The option packets not only never stopped, but if a realtime peer was not
in
- the peer list multiple options dialogs could accumulate over time.
- (Closes issue #16382. Reported by lftsy. Tested by zerohalo. Patched by
- jpeeler)
-
- * Multiple fixes related to Local channels.
-
- For a full list of changes in this release, please see the ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-1.6.2.15
* Tue Jan 25 2011 Jeffrey C. Ollie <jeff@ocjtech.us> - 1.6.2.16.1-1
-
- The Asterisk Development Team has announced the release of Asterisk
- 1.6.2.14. This release is available for immediate download at
- http://downloads.asterisk.org/pub/telephony/asterisk/
-
- The release of Asterisk 1.6.2.14 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 issue where session timers would be advertised as supported even
- when session-timers=refuse was set in sip.conf. Also fix
- interoperability problems with session timer behavior in Asterisk.
- (Closes issue #17005. Reported by alexcarey. Patched by dvossel)
-
- * Parse all "Accept" headers for SIP SUBSCRIBE requests.
- (Closes issue #17758. Reported by ibc. Patched by dvossel)
-
- * Fix issue where queue stats would be reset on reload.
- (Closes issue #17535. Reported by raarts. Patched by tilghman)
-
- * Fix issue where MoH files were no longer rescanned on during a
- reload.
- (Closes issue #16744. Reported by pj. Patched by Qwell)
-
- * Fix issue with dialplan pattern matching where the specificity for
- pattern ranges and pattern characters was inconsistent.
- (Closes issue #16903. Reported, patched by Nick_Lewis)
-
- For a full list of changes in the current release, please see the
- ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-1.6.2.14
* Fri Oct 8 2010 Jeffrey C. Ollie <jeff@ocjtech.us> - 1.6.2.14-0.1.rc1
- The release of Asterisk 1.6.2.14-rc1 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 candidate:
-
- * Fix issue where session timers would be advertised as supported even when
- session-timers=refuse was set in sip.conf. Also fix interoperability
- problems with session timer behavior in Asterisk.
- (Closes issue #17005. Reported by alexcarey. Patched by dvossel)
-
- * Fix issue with decoding ^-escaped characters in realtime (res_pgsql).
- (Closes issue #17790. Reported by denzs. Patched by Qwell)
-
- * Parse all "Accept" headers for SIP SUBSCRIBE requests.
- (Closes issue #17758. Reported by ibc. Patched by dvossel)
-
- * Fix issue where queue stats would be reset on reload.
- (Closes issue #17535. Reported by raarts. Patched by tilghman)
-
- * Fix issue where MoH files were no longer rescanned on during a reload.
- (Closes issue #16744. Reported by pj. Patched by Qwell)
-
- * Fix issue with dialplan pattern matching where the specificity for pattern
- ranges and pattern characters was inconsistent.
- (Closes issue #16903. Reported, patched by Nick_Lewis)
-
- For a full list of changes in the current release candidate, please see the
- ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-1.6.2.14-rc1

- This release resolves an issue where the .version and ChangeLog files were
not
- updated for 1.6.2.12. Asterisk 1.6.2.13 has no additional changes from
1.6.2.12
- other than the .version, ChangeLog and summary files.
-
- For a full list of changes in the current release, please see the
- ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-1.6.2.13

- The release of Asterisk 1.6.2.12 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 issue where DNID does not get cleared on a new call when using
- immediate=yes with ISDN signaling.
- (Closes issue #17568. Reported by wuwu. Patched by rmudgett)
- * Several updates to res_config_ldap.
- (Closes issue #13573. Reported by navkumar. Patched by navkumar,
bencer.
- Tested by suretec)
- * Prevent loss of Caller ID information set on local channel after
masquerade.
- (Closes issue #17138. Reported by kobaz, patched by jpeeler)
- * Fix SIP peers memory leak.
- (Closes issue #17774. Reported, patched by kkm)
- * Add Danish support to say.conf.sample
- (Closes issue #17836. Reported, patched by RoadKill)
- * Ensure SSRC is changed when media source is changed to resolve audio
delay.
- (Closes issue #17404. Reported, tested by sdolloff. Patched by jpeeler)
- * Only do magic pickup when notifycid is enabled.
- A new way of doing BLF pickup was introduced into 1.6.2. This feature
adds a
- call-id value into the XML of a SIP_NOTIFY message sent to alert a
subscriber
- that a device is ringing. This option should only be enabled when the
new
- 'notifycid' option is set, but this was not the case. Instead
the call-id
- value was included for every RINGING Notify message, which caused a
- regression for people who used other methods for call pickup.
- (Closes issue #17633. Reported, patched by urosh. Patched by dvossel.
- Tested by: dvossel, urosh, okrief, alecdavis)
-
- For a full list of changes in the current release, please see the
- ChangeLog:
-
- http://downloads.asterisk.org/pub/telephony/asterisk/ChangeLog-1.6.2.12
-------------------------------------------------------------------------------
-
References:

[ 1 ] Bug #688675 - CVE-2011-1174 asterisk: resource exhaustion in Asterisk
Manager Interface (AST-2011-003)
https://bugzilla.redhat.com/show_bug.cgi?id=688675
[ 2 ] Bug #688678 - CVE-2011-1175 asterisk: DoS in TCP/TLS server due to NULL
ptr deref (AST-2011-004)
https://bugzilla.redhat.com/show_bug.cgi?id=688678
-------------------------------------------------------------------------------
-

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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