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Advisory details: github_osv / GHSA-qcj7-g2j5-g7r3
Advisory ID github_osv/GHSA-qcj7-g2j5-g7r3
Aliases CVE-2016-1000342
Summary In Bouncy Castle JCE Provider ECDSA does not fully validate ASN.1 encoding of signature on verification 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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-qcj7-g2j5-g7r3/GHSA-qcj7-g2j5-g7r3.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.