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CVE-2016-1000343 Details

Description

In the Bouncy Castle JCE Provider version 1.55 and earlier the DSA key pair generator generates a weak private key if used with default values. If the JCA key pair generator is not explicitly initialised with DSA parameters, 1.55 and earlier generates a private value assuming a 1024 bit key size. In earlier releases this can be dealt with by explicitly passing parameters to the key pair generator.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2018:2669	CVE
https://access.redhat.com/errata/RHSA-2018:2927	CVE
https://github.com/bcgit/bc-java/commit/50a53068c094d6cff37659da33c9b4505becd389#diff-5578e61500abb2b87b300d3114bdfd7d	CVE	PatchThird Party Advisory
https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E	CVE
https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html	CVE	Third Party Advisory
https://security.netapp.com/advisory/ntap-20181127-0004/	CVE
https://usn.ubuntu.com/3727-1/	CVE
https://www.oracle.com/security-alerts/cpuoct2020.html	CVE
https://access.redhat.com/errata/RHSA-2018:2669	[email protected]
https://access.redhat.com/errata/RHSA-2018:2927	[email protected]
https://github.com/bcgit/bc-java/commit/50a53068c094d6cff37659da33c9b4505becd389#diff-5578e61500abb2b87b300d3114bdfd7d	[email protected]	PatchThird Party Advisory
https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E	[email protected]
https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html	[email protected]	Third Party Advisory
https://security.netapp.com/advisory/ntap-20181127-0004/	[email protected]
https://usn.ubuntu.com/3727-1/	[email protected]
https://www.oracle.com/security-alerts/cpuoct2020.html	[email protected]

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-310	Cryptographic Issues	[email protected]

Affected Products

Product	Versions
bouncycastle bc-java	<= 1.55
CPE cpe:2.3:a:bouncycastle:bc-java:::::::: Remediation No remediation found in references.
debian debian linux	8.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* Remediation No remediation found in references.

Change History

13 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 12, 2025	CPE Deprecation Remap	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Oct 20, 2020	CVE Modified	[email protected]
Nov 12, 2019	CVE Modified	[email protected]
Nov 28, 2018	CVE Modified	[email protected]
Oct 17, 2018	CVE Modified	[email protected]
Sep 12, 2018	CVE Modified	[email protected]
Aug 3, 2018	CVE Modified	[email protected]
Jul 18, 2018	Initial Analysis	[email protected]
Jul 9, 2018	CVE Modified	[email protected]