Improper Certificate Validation Affecting prosody package, versions <0.11.9-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.39% (72nd percentile)

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  • Snyk IDSNYK-ALPINE313-PROSODY-1293095
  • published15 May 2021
  • disclosed13 May 2021

Introduced: 13 May 2021

CVE-2021-32919  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade Alpine:3.13 prosody to version 0.11.9-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream prosody package and not the prosody package as distributed by Alpine. See How to fix? for Alpine:3.13 relevant fixed versions and status.

An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).

CVSS Base Scores

version 3.1