CVE-2016-1000342

bouncycastle: ECDSA improper validation of ASN.1 encoding of signature

Published Jun 4, 2018 CVSS 3.0 · 7.5 High EPSS 1.8% KEV · Not listed
Description
In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up the signature and still have it validate, which in some cases may allow the introduction of 'invisible' data into a signed structure.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1418-1 bouncycastle security update
EUVD EUVD EUVD-2018-0660 In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up the signature and still have it validate, which in some cases may allow the introduction of 'invisible' data into a signed structure.
Github GHSA Github GHSA GHSA-qcj7-g2j5-g7r3 In Bouncy Castle JCE Provider ECDSA does not fully validate ASN.1 encoding of signature on verification
Ubuntu USN Ubuntu USN USN-3727-1 Bouncy Castle vulnerabilities
History
Type Values Removed Values Added
First Time appeared Bouncycastle bc-java
CPEs cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-java-crytography-api:*:*:*:*:*:*:*:* cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
Vendors & Products Bouncycastle legion-of-the-bouncy-castle-java-crytography-api
Bouncycastle bc-java
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 3:55 AM
Reserved
Jun 4, 2018, 12:00 AM
Status
Modified
Published
Jun 4, 2018, 1:29 PM
Modified
Jun 17, 2026, 12:38 AM
Severity
Moderate
Public date
Jun 7, 2018, 12:00 AM