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Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability

High severity GitHub Reviewed Published May 1, 2022 to the GitHub Advisory Database • Updated Sep 21, 2023

Package

maven bouncycastle:bcprov-jdk14 (Maven)

Affected versions

< 1.38

Patched versions

1.38
maven bouncycastle:bcprov-jdk15 (Maven)
< 1.38
1.38
maven bouncycastle:bcprov-jdk16 (Maven)
< 1.38
1.38

Description

The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."

References

Published by the National Vulnerability Database Mar 30, 2009
Published to the GitHub Advisory Database May 1, 2022
Last updated Sep 21, 2023
Reviewed Sep 21, 2023

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(72nd percentile)

Weaknesses

Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. Learn more on MITRE.

CVE ID

CVE-2007-6721

GHSA ID

GHSA-m26p-m559-g5j5

Source code

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