Timing Attack Affecting org.bouncycastle:bcprov-ext-jdk15on package, versions [,1.66)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-JAVA-ORGBOUNCYCASTLE-1296076
  • published20 May 2021
  • disclosed20 May 2021
  • creditUnknown

Introduced: 20 May 2021

CVE-2020-15522  (opens in a new tab)
CWE-208  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade org.bouncycastle:bcprov-ext-jdk15on to version 1.66 or higher.

Overview

org.bouncycastle:bcprov-ext-jdk15on is a Java implementation of cryptographic algorithms.

Affected versions of this package are vulnerable to Timing Attack. A timing issue within the EC math library can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.

CVSS Scores

version 3.1