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Sicherheit: Pufferüberlauf in prosody
Aktuelle Meldungen Distributionen
Name: Pufferüberlauf in prosody
ID: FEDORA-2015-6437
Distribution: Fedora
Plattformen: Fedora 22
Datum: So, 26. April 2015, 18:54
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2059

Originalnachricht

Name        : prosody
Product : Fedora 22
Version : 0.9.8
Release : 1.fc22
URL : https://prosody.im/
Summary : Flexible communications server for Jabber/XMPP
Description :
Prosody is a flexible communications server for Jabber/XMPP written in Lua.
It aims to be easy to use, and light on resources. For developers it aims
to be easy to extend and give a flexible system on which to rapidly develop
added functionality, or prototype new protocols.

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Update Information:

Prosody 0.9.8
=============

A summary of changes in this release:

High
----

* Ensure only valid UTF-8 is passed to libidn. It was found (CVE-2015-2059)
that libidn can read beyond the boundaries of the provided buffer when an input string contains invalid UTF-8 sequences.

Systems where Prosody is compiled to use libICU are not affected by this
issue.

Medium
------

* DNS: Fix traceback caused when DNS server IP is unroutable (issue 473)
* HTTP client: More robust handling of chunked encoding across packet
boundaries
* Stanza router: Fix handling of 'error' <iq>'s with
multiple children

Minor
-----

* c2s: Fix error reply when clients try to bind multiple resources on the
same stream (issue 484)
* s2s: Ensure to/from attributes are always present on stream headers, even
if empty (issue 468)
* Build scripts: Add --libdir option to ./configure to simplify building on
some platforms
* Fix traceback in datamanager when used outside of Prosody (e.g. in some
migration tools)
* mod_admin_telnet: Fix potential traceback in server:memory() command (issue
471)
* HTTP server: Improved debug logging


Prosody 0.9.7
=============

A summary of changes in this release:

* util.stanza: Don't XML-escape whitespace
* prosodyctl: Fix traceback in 'about' command with LuaRocks 2.2.0


Prosody 0.9.6
=============

Note: This release disables SSLv3 by default, which has been shown to be
insecure when used by clients. Clients that only support SSLv3 will no longer be able to connect. There are not many of these nowadays, but they exist.

A summary of changes in this release:

* certmanager, net.http: Disable SSLv3 by default
* net.http.parser: Support status code 101 and allow handling of the received
data by plugins
* util.filters: Ignore filters being added twice (fixes issues on removal,
i.e. when some plugins are reloaded/unloaded)
* mod_s2s: Close offending s2s streams missing an 'id' attribute with
a stream error instead of throwing an unhandled error
* Networking API: Add 'ondetach' callback for listener objects, to
prevent leaks when connections have their listener changed
* core.stanza_router: Stricter validation of stanzas
* mod_admin_adhoc: Mark 'accountjids' field as required in 'end
user sessions' command (thanks Lloyd)
* mod_admin_adhoc: Add required to field in user deletion form too
* net.dns: Avoid duplicate cache entries
* util.stanza: Escape newlines and tabs (
) when serializing stanzas.
* util/dataforms: Make sure we iterate over field tags only
* mod_s2s: Capitalize log message
* mod_pubsub: Fix error type of 'forbidden' (change from
'cancel' to 'auth')


Prosody 0.9.5
=============

A summary of changes in this release:

* C2S: Fix traceback if a client opens a stream to component, which could
cause a crash in combination with some versions of LuaEvent
* C2S, S2S: Log received invalid stream headers
* S2S: Fix case where stream headers were sometimes sent twice
* DNS: Ensure all pending requests get notified of a timeout when looking up
a record
* DNS: Fix duplicated cache insertions by limiting outstanding queries per
name to one
* xmppstream: Disable LuaExpat's buffering
* xmppstream: Disable CharacterData merging after stream restarts
* xmppstream: Pass invalid stream headers to error handling
* Privacy lists: Correctly sort privacy list rules by order
* prosody: Check dependencies later in the startup sequence
* Config: Delay importing LuaFileSystem until needed by an Include line
* Config: Normalize VirtualHost and Component names
* prosodyctl: Normalize JIDs for adduser/passwd/deluser
* POSIX: Fix error reporting from disk space allocation
* POSIX: Verify that 'pidfile' is a string, show friendly error
otherwise
* Dependency checking: Check that prosody is running under Lua 5.1. We
don't currently support any other versions. (LuaJIT identifies as 5.1)
* Compliance: Reset stream ID when resetting stream
* Compression: Log compression setup errors
* Console: Fix commands for adding and replacing name servers
* Console MUC commands: Fix error when a non-existent host is entered
* Filters: Prevent filters from being added twice
* Network: Transfer all available data between linked sockets
* dataforms: Add support for XEP-0221: Data Forms Media Element
-------------------------------------------------------------------------------
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References:

[ 1 ] Bug #985563 - Logging, conf.d and log rotation
https://bugzilla.redhat.com/show_bug.cgi?id=985563
[ 2 ] Bug #1091499 - Please use luajit instead of lua in F20+ (prosody
requires lua 5.1; lua 5.2 is packaged)
https://bugzilla.redhat.com/show_bug.cgi?id=1091499
[ 3 ] Bug #1152126 - prosody-0.9.8 is available
https://bugzilla.redhat.com/show_bug.cgi?id=1152126
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This update can be installed with the "yum" update program. Use
su -c 'yum update prosody' 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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