GHSA-fjqm-246c-mwqg

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    GHSA-fjqm-246c-mwqg

    Published: 17 Oct 2018Last Modified: 12 Sept 2025

    Summary: In Bouncy Castle JCE Provider the other party DH public key is not fully validated

    Details: In the Bouncy Castle JCE Provider version 1.55 and earlier the other party DH public key is not fully validated. This can cause issues as invalid keys can be used to reveal details about the other party's private key where static Diffie-Hellman is in use. As of release 1.56 the key parameters are checked on agreement calculation.

    References: https://nvd.nist.gov/vuln/detail/CVE-2016-1000346, https://github.com/bcgit/bc-java/commit/1127131c89021612c6eefa26dbe5714c194e7495#diff-d525a20b8acaed791ae2f0f770eb5937, https://access.redhat.com/errata/RHSA-2018:2669, https://access.redhat.com/errata/RHSA-2018:2927, https://github.com/advisories/GHSA-fjqm-246c-mwqg, https://github.com/bcgit/bc-java, https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html, https://security.netapp.com/advisory/ntap-20181127-0004, https://usn.ubuntu.com/3727-1, https://www.oracle.com/security-alerts/cpuoct2020.html

    Affected packages

    Package

    Name: org.bouncycastle:bcprov-jdk14

    Purl: pkg:maven/org.bouncycastle/bcprov-jdk14

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.56

    Affected versions

    1.38

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-fjqm-246c-mwqg | CVE-DB