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Timing Attack Affecting jose-browser-runtime package, versions <3.11.4

0.0
medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High

    Threat Intelligence

    EPSS 0.15% (51st percentile)
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NVD
5.9 medium

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  • Snyk ID SNYK-JS-JOSEBROWSERRUNTIME-1251484
  • published 18 Apr 2021
  • disclosed 18 Apr 2021
  • credit Morgan Brown
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Introduced: 18 Apr 2021

CVE-2021-29444 Open this link in a new tab
CWE-208 Open this link in a new tab

How to fix?

Upgrade jose-browser-runtime to version 3.11.4 or higher.

Overview

jose-browser-runtime is a (Browser 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