CVE-2014-2744
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 3.31% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- lightwitch/metronome · prosody/prosody
- Source
- security@debian.org
References
- http://blog.prosody.im/prosody-0-9-4-released/Vendor Advisory
- http://code.lightwitch.org/metronome/rev/49f47277a411Exploit, Patch
- http://hg.prosody.im/0.9/rev/b3b1c9da38fbExploit, Patch
- http://openwall.com/lists/oss-security/2014/04/07/7
- http://openwall.com/lists/oss-security/2014/04/09/1
- http://secunia.com/advisories/57710
- http://www.debian.org/security/2014/dsa-2895
- http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
- http://blog.prosody.im/prosody-0-9-4-released/Vendor Advisory
- http://code.lightwitch.org/metronome/rev/49f47277a411Exploit, Patch
- http://hg.prosody.im/0.9/rev/b3b1c9da38fbExploit, Patch
- http://openwall.com/lists/oss-security/2014/04/07/7
- http://openwall.com/lists/oss-security/2014/04/09/1
- http://secunia.com/advisories/57710
- http://www.debian.org/security/2014/dsa-2895
- http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.