CVE-2021-32921
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-32921
Vendor advisory: arch — https://security.archlinux.org/ASA-202105-11
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1:0.11.9-1 | |
| debian | bookworm | fixed | 0.11.9-1 |
| debian | bullseye | fixed | 0.11.9-1 |
| debian | forky | fixed | 0.11.9-1 |
| debian | sid | fixed | 0.11.9-1 |
| debian | trixie | fixed | 0.11.9-1 |
References
Verify integrity in audit chain (admin only). AS-IS.