Critical, CVSS 9.8MavenPublished
Exposure of Sensitive information in authentikat-jwt
CVE-2017-18239 · GHSA-3rhm-67j6-42jq
- Affected
- Maven com.jason-goodwin:authentikat-jwt_2.12 <= 0.4.5
- Fixed in
- 0.4.6· Vendor fix available
- Issue
- A time-sensitive equality check on the JWT signature in the JsonWebToken.validate method in main/scala/authentikat/jwt/JsonWebToken.scala in authentikat-jwt (aka com.jason-goodwin/authentikat-jwt) version 0.4.5 and earlier allows the supplier of a JWT token to guess bit after bit of the signature by repeating validation requests.
Recommended action: Upgrade to 0.4.6 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.