Prosody up to 0.11.8 Lua resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Prosody up to 0.11.8 and classified as problematic. This affects an unknown part of the component Lua. This manipulation causes resource consumption. This vulnerability is registered as CVE-2021-32918. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Prosody up to 0.11.8 and classified as problematic. Affected by this vulnerability is an unknown part of the component Lua. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability.

The weakness was published 05/14/2021. The advisory is shared at openwall.com. This vulnerability is known as CVE-2021-32918. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 0.11.9 eliminates this vulnerability. The upgrade is hosted for download at blog.prosody.im.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Prosody 0.11.9

Timelineinfo

05/12/2021 🔍
05/14/2021 +2 days 🔍
05/14/2021 +0 days 🔍
05/16/2021 +2 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32918 (🔍)
GCVE (CVE): GCVE-0-2021-32918
GCVE (VulDB): GCVE-100-175045

Entryinfo

Created: 05/14/2021 07:01
Updated: 05/16/2021 10:42
Changes: 05/14/2021 07:01 (39), 05/16/2021 10:42 (5)
Complete: 🔍
Cache ID: 216::103

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