High severityNVD Advisory· Published Apr 21, 2023· Updated Feb 5, 2025
CVE-2023-26557
CVE-2023-26557
Description
io.finnet tss-lib before 2.0.0 can leak the lambda value of a private key via a timing side-channel attack because it relies on Go big.Int, which is not constant time for Cmp, modular exponentiation, or modular inverse. An example leak is in crypto/paillier/paillier.go. (bnb-chain/tss-lib and thorchain/tss are also affected.)
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/bnb-chain/tss-libGo | < 1.3.6-0.20230324145555-bb6fb30bd3eb | 1.3.6-0.20230324145555-bb6fb30bd3eb |
github.com/binance-chain/tss-libGo | < 1.3.6-0.20230324145555-bb6fb30bd3eb | 1.3.6-0.20230324145555-bb6fb30bd3eb |
Affected products
3- io.finnet/tss-libdescription
- ghsa-coords2 versions
< 1.3.6-0.20230324145555-bb6fb30bd3eb+ 1 more
- (no CPE)range: < 1.3.6-0.20230324145555-bb6fb30bd3eb
- (no CPE)range: < 1.3.6-0.20230324145555-bb6fb30bd3eb
Patches
Vulnerability mechanics
References
8- github.com/advisories/GHSA-mjqv-xhgm-gx8cghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2023-26557ghsaADVISORY
- github.com/IoFinnet/tss-lib/releases/tag/v2.0.0ghsaWEB
- github.com/bnb-chain/tss-lib/tree/v1.3.5ghsaWEB
- gitlab.com/thorchain/tss/tss-lib/-/tags/v0.1.3ghsaWEB
- medium.com/@iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155bghsaWEB
- pkg.go.dev/vuln/GO-2023-1733ghsaWEB
- medium.com/%40iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155bmitre
News mentions
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