Home/CVE/plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome through 3.4 negotiates stream compr
CVE

CVE-2014-2744

plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome through 3.4 negotiates stream compr

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.

HIGH · CVSS 7.8 EPSS 0.02179
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

3
lightwitch metronome<= 3.4
prosody<= 0.9.3
prosodyall versions
⚠

Public Exploits & PoCs

2
poccode.lightwitch.org · 49f47277a411code.lightwitch.org
pochg.prosody.im · b3b1c9da38fbhg.prosody.im
▣

Scoring & Timeline

7.8
HIGH · CVSS v2 (legacy) · security@debian.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Published to NVD11 Apr 2014 · 01:55 AM
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blog.prosody.im/prosody-0-9-4-released/Vendor Advisory
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/
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