CVE-2021-32921 — Race Condition in Prosody
Severity
5.9MEDIUMNVD
EPSS
3.8%
top 11.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 13
Latest updateNov 7
Description
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 2.2 | Impact: 3.6
Affected Packages4 packages
Also affects: Debian Linux 9.0, Fedora 32, 33, 34