A prosody security update has been released for SUSE Linux Enterprise 15 SP2.

openSUSE-SU-2021:0751-1: important: Security update for prosody

openSUSE Security Update: Security update for prosody
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Announcement ID: openSUSE-SU-2021:0751-1
Rating: important
References: #1186027
Cross-References: CVE-2021-32917 CVE-2021-32918 CVE-2021-32919
CVE-2021-32920
Affected Products:
openSUSE Backports SLE-15-SP2
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An update that fixes four vulnerabilities is now available.

Description:

This update for prosody fixes the following issues:

prosody was updated to 0.11.9:

Security:

* mod_limits, prosody.cfg.lua: Enable rate limits by default
* certmanager: Disable renegotiation by default
* mod_proxy65: Restrict access to local c2s connections by default
* util.startup: Set more aggressive defaults for GC
* mod_c2s, mod_s2s, mod_component, mod_bosh, mod_websockets: Set default
stanza size limits
* mod_authinternal{plain,hashed}: Use constant-time string comparison for
secrets
* mod_dialback: Remove dialback-without-dialback feature
* mod_dialback: Use constant-time comparison with hmac

Minor changes:

* util.hashes: Add constant-time string comparison (binding to
CRYPTO_memcmp)
* mod_c2s: Don???t throw errors in async code when connections are gone
* mod_c2s: Fix traceback in session close when conn is nil
* core.certmanager: Improve detection of LuaSec/OpenSSL capabilities
* mod_saslauth: Use a defined SASL error
* MUC: Add support for advertising muc#roomconfig_allowinvites in room
disco#info
* mod_saslauth: Don???t throw errors in async code when connections are
gone
* mod_pep: Advertise base pubsub feature (fixes #1632: mod_pep missing
pubsub feature in disco)
* prosodyctl check config: Add ???gc??? to list of global options
* prosodyctl about: Report libexpat version if known
* util.xmppstream: Add API to dynamically configure the stanza size limit
for a stream
* util.set: Add is_set() to test if an object is a set
* mod_http: Skip IP resolution in non-proxied case
* mod_c2s: Log about missing conn on async state changes
* util.xmppstream: Reduce internal default xmppstream limit to 1MB

Relevant:   https://prosody.im/security/advisory_20210512

* boo#1186027: Prosody XMPP server advisory 2021-05-12
* CVE-2021-32919
* CVE-2021-32917
* CVE-2021-32917
* CVE-2021-32920
* CVE-2021-32918

Update to 0.11.8:

Security:
* mod_saslauth: Disable ???tls-unique??? channel binding with TLS 1.3
(#1542)

Fixes and improvements:

* net.websocket.frames: Improve websocket masking performance by using the
new util.strbitop
* util.strbitop: Library for efficient bitwise operations on strings

Minor changes:

* MUC: Correctly advertise whether the subject can be changed (#1155)
* MUC: Preserve disco ???node??? attribute (or lack thereof) in responses
(#1595)
* MUC: Fix logic bug causing unnecessary presence to be sent (#1615)
* mod_bosh: Fix error if client tries to connect to component (#425)
* mod_bosh: Pick out the ???wait??? before checking it instead of earlier
* mod_pep: Advertise base PubSub feature (#1632)
* mod_pubsub: Fix notification stanza type setting (#1605)
* mod_s2s: Prevent keepalives before client has established a stream
* net.adns: Fix bug that sent empty DNS packets (#1619)
* net.http.server: Don???t send Content-Length on 1xx/204 responses (#1596)
* net.websocket.frames: Fix length calculation bug (#1598)
* util.dbuffer: Make length API in line with Lua strings
* util.dbuffer: Optimize substring operations
* util.debug: Fix locals being reported under wrong stack frame in some
cases
* util.dependencies: Fix check for Lua bitwise operations library (#1594)
* util.interpolation: Fix combination of filters and fallback values #1623
* util.promise: Preserve tracebacks
* util.stanza: Reject ASCII control characters (#1606)
* timers: Ensure timers can???t block other processing (#1620)

Update to 0.11.7:

Security:

* mod_websocket: Enforce size limits on received frames (fixes #1593)

Fixes and improvements:

* mod_c2s, mod_s2s: Make stanza size limits configurable
* Add configuration options to control Lua garbage collection parameters
* net.http: Backport SNI support for outgoing HTTP requests (#409)
* mod_websocket: Process all data in the buffer on close frame and
connection errors (fixes #1474, #1234)
* util.indexedbheap: Fix heap data structure corruption, causing some
timers to fail after a reschedule (fixes #1572)

Update to 0.11.6:

Fixes and improvements:

* mod_storage_internal: Fix error in time limited queries on items without
???when??? field, fixes #1557
* mod_carbons: Fix handling of incoming MUC PMs #1540
* mod_csi_simple: Consider XEP-0353: Jingle Message Initiation important
* mod_http_files: Avoid using inode in etag, fixes #1498: Fail to download
file on FreeBSD
* mod_admin_telnet: Create a DNS resolver per console session (fixes
#1492: Telnet console DNS commands reduced usefulness)
* core.certmanager: Move EECDH ciphers before EDH in default cipherstring
(fixes #1513)
* mod_s2s: Escape invalid XML in loggin (same way as mod_c2s) (fixes
#1574: Invalid XML input on s2s connection is logged unescaped)
* mod_muc: Allow control over the server-admins-are-room-owners feature
(see #1174)
* mod_muc_mam: Remove spoofed archive IDs before archiving (fixes #1552:
MUC MAM may strip its own archive id)
* mod_muc_mam: Fix stanza id filter event name, fixes #1546: mod_muc_mam
does not strip spoofed stanza ids
* mod_muc_mam: Fix missing advertising of XEP-0359, fixes #1547:
mod_muc_mam does not advertise stanza-id

Minor changes:

* net.http API: Add request:cancel() method
* net.http API: Fix traceback on invalid URL passed to request()
* MUC: Persist affiliation_data in new MUC format
* mod_websocket: Fire event on session creation (thanks Aaron van Meerten)
* MUC: Always include ???affiliation???/???role??? attributes, defaulting
to ???none??? if nil
* mod_tls: Log when certificates are (re)loaded
* mod_vcard4: Report correct error condition (fixes #1521: mod_vcard4
reports wrong error)
* net.http: Re-expose destroy_request() function (fixes unintentional API
breakage)
* net.http.server: Strip port from Host header in IPv6 friendly way (fix
#1302)
* util.prosodyctl: Tell prosody do daemonize via command line flag (fixes
#1514)
* SASL: Apply saslprep where necessary, fixes #1560: Login fails if
password contains special chars
* net.http.server: Fix reporting of missing Host header
* util.datamanager API: Fix iterating over ???users??? (thanks marc0s)
* net.resolvers.basic: Default conn_type to ???tcp??? consistently if
unspecified (thanks marc0s)
* mod_storage_sql: Fix check for deletion limits (fixes #1494)
* mod_admin_telnet: Handle unavailable cipher info (fixes #1510:
mod_admin_telnet backtrace)
* Log warning when using prosodyctl start/stop/restart
* core.certmanager: Look for privkey.pem to go with fullchain.pem (fixes
#1526)
* mod_storage_sql: Add index covering sort_id to improve performance
(fixes #1505)
* mod_mam,mod_muc_mam: Allow other work to be performed during archive
cleanup (fixes #1504)
* mod_muc_mam: Don???t strip MUC tags, fix #1567: MUC tags stripped by
mod_muc_mam
* mod_pubsub, mod_pep: Ensure correct number of children of (fixes #1496)
* mod_register_ibr: Add FORM_TYPE as required by XEP-0077 (fixes #1511)
* mod_muc_mam: Fix traceback saving message from non-occupant (fixes #1497)
* util.startup: Remove duplicated initialization of logging (fix #1527:
startup: Logging initialized twice)

This update was imported from the openSUSE:Leap:15.2:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Backports SLE-15-SP2:

zypper in -t patch openSUSE-2021-751=1


Package List:

- openSUSE Backports SLE-15-SP2 (aarch64 ppc64le s390x x86_64):

prosody-0.11.9-bp152.2.3.1

References:

  https://www.suse.com/security/cve/CVE-2021-32917.html
  https://www.suse.com/security/cve/CVE-2021-32918.html
  https://www.suse.com/security/cve/CVE-2021-32919.html
  https://www.suse.com/security/cve/CVE-2021-32920.html
  https://bugzilla.suse.com/1186027