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CVE Vulnerability Details :
CVE-2023-26556
PUBLISHED
More InfoOfficial Page
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
View Known Exploited Vulnerability (KEV) details
Published At-21 Apr, 2023 | 00:00
Updated At-05 Feb, 2025 | 14:43
Rejected At-
▼CVE Numbering Authority (CNA)

io.finnet tss-lib before 2.0.0 can leak a secret key via a timing side-channel attack because it relies on the scalar-multiplication implementation in Go crypto/elliptic, which is not constant time (there is an if statement in a loop). One leak is in ecdsa/keygen/round_2.go. (bnb-chain/tss-lib and thorchain/tss are also affected.)

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/IoFinnet/tss-lib/releases/tag/v2.0.0
N/A
https://github.com/bnb-chain/tss-lib/tree/v1.3.5
N/A
https://gitlab.com/thorchain/tss/tss-lib/-/tags/v0.1.3
N/A
https://medium.com/%40iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155b
N/A
Hyperlink: https://github.com/IoFinnet/tss-lib/releases/tag/v2.0.0
Resource: N/A
Hyperlink: https://github.com/bnb-chain/tss-lib/tree/v1.3.5
Resource: N/A
Hyperlink: https://gitlab.com/thorchain/tss/tss-lib/-/tags/v0.1.3
Resource: N/A
Hyperlink: https://medium.com/%40iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155b
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/IoFinnet/tss-lib/releases/tag/v2.0.0
x_transferred
https://github.com/bnb-chain/tss-lib/tree/v1.3.5
x_transferred
https://gitlab.com/thorchain/tss/tss-lib/-/tags/v0.1.3
x_transferred
https://medium.com/%40iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155b
x_transferred
Hyperlink: https://github.com/IoFinnet/tss-lib/releases/tag/v2.0.0
Resource:
x_transferred
Hyperlink: https://github.com/bnb-chain/tss-lib/tree/v1.3.5
Resource:
x_transferred
Hyperlink: https://gitlab.com/thorchain/tss/tss-lib/-/tags/v0.1.3
Resource:
x_transferred
Hyperlink: https://medium.com/%40iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155b
Resource:
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-203CWE-203 Observable Discrepancy
Type: CWE
CWE ID: CWE-203
Description: CWE-203 Observable Discrepancy
Metrics
VersionBase scoreBase severityVector
3.19.1CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Version: 3.1
Base score: 9.1
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found