Observable Timing Discrepancy in totp-rs
Exact source revision recorded 24 Oct 2026 13:19:54 UTC. It does not establish the source's current position. Latest evidence.
osv · GHSA-8vxv-2g8p-2249
Published### Impact Token comparison was not constant time, and could theorically be used to guess value of an TOTP token, and thus reuse it in the same time window. The attacker would have to know the password beforehand nonetheless. ### Patches Library now used constant-time comparison. ### Workarounds No. ### For more information If you have any questions or comments about this advisory: * Open an issue in [totp-rs](https://github.com/constantoine/totp-rs) * Email us at [[email protected]](mailto:[email protected])
- Source published
- 24 May 2022 21:33:15 UTC
- Source modified
- 8 Nov 2023 04:09:09 UTC
- Observed here
- 24 Oct 2026 13:19:54 UTC
- Source terms
- GitHub Advisory Database · CC-BY-4.0
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · GitHub Advisory Database · CC-BY-4.0. Source text is retained; field grouping and change labels are provided by ChangeIntel.
CVSS_V3 · CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N
Publisher rating · MODERATE