PT-2018-4636 · Bouncy Castle+3 · Bouncy Castle Jce Provider+3

Published 2018-06-04 · Updated 2025-05-12 · CVE-2016-1000342

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Bouncy Castle JCE Provider versions 1.55 and earlier

Description The issue concerns the validation of ASN.1 encoding of signatures. Specifically, it does not fully validate the encoding on verification, allowing potential injection of extra elements into the signature sequence. This could lead to the introduction of 'invisible' data into a signed structure in certain cases.

Recommendations For Bouncy Castle JCE Provider versions 1.55 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2016-1000342

DLA-1418-1

GHSA-QCJ7-G2J5-G7R3

MGASA-2018-0376

OPENSUSE-SU-2018_1689-1

OPENSUSE-SU-2024:10661-1

RHSA-2018:2927

USN-3727-1

Affected Products

Bouncy Castle Jce Provider

Jira

Suse

Ubuntu

References · 52

• https://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9 · Patch
• https://ubuntu.com/security/notices/USN-3727-1 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2018:2669 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-1000342 · Vendor Advisory
• https://usn.ubuntu.com/3727-1 · Vendor Advisory
• https://debian.org/security/2018/dsa-4233 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-1000342 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1418-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3727-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-1000342 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2016-1000342 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:10661-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-1000345 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2018:2927 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-1000339 · Vendor Advisory