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
Published Apr 11, 2014
7.8
HIGHCVSS 2.0
EPSS 3.31%
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.
Affected products
No data.
Configuration 1
- ≤ 3.4
Configuration 2
- ≤ 0.9.3
- 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
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.31% (0.03313) | 88.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.31% (0.03313) | 86.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.62% (0.02622) | 84.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.15% (0.03150) | 91.49th | v3 (v2023.03.01) |
| Apr 9, 2024 | 3.15% (0.03150) | 90.94th | v3 (v2023.03.01) |
| Nov 21, 2023 | 3.03% (0.03028) | 89.88th | v3 (v2023.03.01) |
| Oct 5, 2023 | 3.42% (0.03416) | 90.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.39% (0.03394) | 89.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (8)
- http://blog.prosody.im/prosody-0-9-4-released/ x_refsource_CONFIRMVendor Advisory
- http://code.lightwitch.org/metronome/rev/49f47277a411 x_refsource_CONFIRMExploitPatch
- http://hg.prosody.im/0.9/rev/b3b1c9da38fb x_refsource_CONFIRMExploitPatch
- http://openwall.com/lists/oss-security/2014/04/07/7 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2014/04/09/1 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/57710 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2014/dsa-2895 vendor-advisoryx_refsource_DEBIAN
- http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/ x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://blog.prosody.im/prosody-0-9-4-released/ | x_refsource_CONFIRMVendor Advisory | |
| http://code.lightwitch.org/metronome/rev/49f47277a411 | x_refsource_CONFIRMExploitPatch | |
| http://hg.prosody.im/0.9/rev/b3b1c9da38fb | x_refsource_CONFIRMExploitPatch | |
| http://openwall.com/lists/oss-security/2014/04/07/7 | mailing-listx_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2014/04/09/1 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/57710 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2014/dsa-2895 | vendor-advisoryx_refsource_DEBIAN | |
| http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/ | x_refsource_MISC |
Change history (0)
No recorded changes yet.