Vulnerability library
Security checkJanuary 09, 2023

ECDSA signature vulnerability of Minerva timing attack in jsrsasign

Understand the exposure, see the recommended fix, and check whether your own website has related weaknesses.

Medium severitynpmjsrsasign

Check your website

Find this and other vulnerabilities with a free scan.

Your scan runs on your computer. No account required.

Description

ECDSA side-channel attack named Minerava have been found and it was found that it affects to jsrsasign.

Execution time of thousands signature generation have been observed then EC private key which is scalar value may be recovered since point and scalar multiplication time depends on bits of scalar. In jsrsasign 8.0.

Recommendation

Update the jsrsasign package to the latest compatible version. Followings are version details:

  • Affected version(s): >= 4.0.0, < 8.0.13
  • Patched version(s): 8.0.13

References

Could your website be exposed too?

SmartScanner can check your website for ECDSA signature vulnerability of Minerva timing attack in jsrsasign and gives you actionable findings to investigate.

Start a free scan

Related Issues

See something that needs correcting? Let us knowUpdated January 09, 2023