CVE-2021-32921 log

Severity Medium
Remote Yes
Type Information disclosure
A security issue was found in the XMPP server software before version 0.11.9. It was discovered that Prosody 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.
Group Package Affected Fixed Severity Status Ticket
AVG-1955 prosody 1:0.11.8-1 1:0.11.9-1 High Fixed
Date Advisory Group Package Severity Type
19 May 2021 ASA-202105-11 AVG-1955 prosody High multiple issues
The issue can partly be mitigated by enabling and configuring rate limits through mod_limits in order to lengthen the amount of time required to successfully complete a timing attack.