VulnerabilityModified
CVE-2015-10004
With a large enough number of requests over a low latency connection, an attacker may use this to determine the expected HMAC.
HIGH 7.5EPSS 0.75%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Token validation methods are susceptible to a timing side-channel during HMAC comparison. With a large enough number of requests over a low latency connection, an attacker may use this to determine the expected HMAC.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.75% probability · 53th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-668
- Affected
- json web token project/json web token
- Source
- security@golang.org
References
- https://github.com/robbert229/jwt/commit/ca1404ee6e83fcbafb66b09ed0d543850a15b654Patch, Third Party Advisory
- https://github.com/robbert229/jwt/issues/12Issue Tracking, Third Party Advisory
- https://pkg.go.dev/vuln/GO-2020-0023Patch, Vendor Advisory
- https://github.com/robbert229/jwt/commit/ca1404ee6e83fcbafb66b09ed0d543850a15b654Patch, Third Party Advisory
- https://github.com/robbert229/jwt/issues/12Issue Tracking, Third Party Advisory
- https://pkg.go.dev/vuln/GO-2020-0023Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.