Описание
Security update for prosody
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)
Список пакетов
openSUSE Leap 15.2
Ссылки
- E-Mail link for openSUSE-SU-2021:0728-1
- SUSE Security Ratings
- SUSE Bug 1186027
- SUSE CVE CVE-2021-32917 page
- SUSE CVE CVE-2021-32918 page
- SUSE CVE CVE-2021-32919 page
- SUSE CVE CVE-2021-32920 page
Описание
An issue was discovered in Prosody before 0.11.9. The proxy65 component allows open access by default, even if neither of the users has an XMPP account on the local server, allowing unrestricted use of the server's bandwidth.
Затронутые продукты
Ссылки
- CVE-2021-32917
- SUSE Bug 1186027
Описание
An issue was discovered in Prosody before 0.11.9. Default settings are susceptible to remote unauthenticated denial-of-service (DoS) attacks via memory exhaustion when running under Lua 5.2 or Lua 5.3.
Затронутые продукты
Ссылки
- CVE-2021-32918
- SUSE Bug 1186027
Описание
An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).
Затронутые продукты
Ссылки
- CVE-2021-32919
- SUSE Bug 1186027
Описание
Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.
Затронутые продукты
Ссылки
- CVE-2021-32920
- SUSE Bug 1186027