Race Condition Affecting prosody package, versions <0.11.9-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.6% (73rd percentile)

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  • Snyk IDSNYK-ALPINE319-PROSODY-6110601
  • published8 Dec 2023
  • disclosed13 May 2021

Introduced: 13 May 2021

CVE-2021-32921  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Alpine:3.19 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:3.19 relevant fixed versions and status.

An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.

CVSS Base Scores

version 3.1