Timing Attack Affecting jose-node-cjs-runtime package, versions <3.11.4


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.15% (52nd percentile)

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  • Snyk ID SNYK-JS-JOSENODECJSRUNTIME-1251480
  • published 18 Apr 2021
  • disclosed 18 Apr 2021
  • credit Morgan Brown

How to fix?

Upgrade jose-node-cjs-runtime to version 3.11.4 or higher.

Overview

jose-node-cjs-runtime is a (Node.JS CJS Runtime) 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies

Affected versions of this package are vulnerable to Timing Attack. A difference in task execution timing may be observed in the AES_CBC_HMAC_SHA2 Algorithm when a padding error occurs during decryption, which may allow a malicious actor to decrypt data without the key.

References

CVSS Scores

version 3.1
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Snyk

Recommended
5.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
Expand this section

NVD

5.9 medium