| Package | Affected versions | Patched versions |
|---|---|---|
| metronome | ≤ 3.4 | |
| prosody | = 0.1.0= 0.2.0= 0.3.0= 0.4.0= 0.4.1= 0.4.2= 0.5.0= 0.5.1= 0.5.2= 0.6.0= 0.6.1= 0.6.2= 0.7.0= 0.8.0= 0.8.1= 0.8.2= 0.9.0= 0.9.1= 0.9.2≤ 0.9.3 |
plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome through 3.4 negotiates stream compression while a session is unauthenticated, which allows remote attackers to cause a denial of service (resource consumption) via compressed XML elements in an XMPP stream, aka an "xmppbomb" attack.
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