Elliptic Curve Issue in Go Crypto Library
CVE-2022-23806

9.1CRITICAL

Key Information:

Vendor

Golang

Status
Go
Vendor
CVE Published:
11 February 2022

What is CVE-2022-23806?

The Curve.IsOnCurve function in the crypto/elliptic package of Go may yield incorrect results by returning true for big.Int values that don't qualify as valid field elements. This flaw can lead to undermined security expectations when leveraging elliptic curve cryptography in Go, potentially exposing systems to risk. It is crucial for users of affected Go versions to apply security updates to mitigate this vulnerability.

References

https://lists.debian.org/debian-lts-announce/2022/04/msg0...
mailing-list
https://lists.debian.org/debian-lts-announce/2022/04/msg0...
mailing-list
https://www.oracle.com/security-alerts/cpujul2022.html

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.