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Vulnerability details: VCID-cvg9-jvsg-3uc8
Vulnerability ID VCID-cvg9-jvsg-3uc8
Aliases CVE-2016-1000342
GHSA-qcj7-g2j5-g7r3
Summary 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 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-347 Improper Verification of Cryptographic Signature
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-707 Improper Neutralization
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-295 Improper Certificate Validation
System Score Found at
cvssv3.1 7.5 https://access.redhat.com/errata/RHSA-2018:2669
generic_textual HIGH https://access.redhat.com/errata/RHSA-2018:2669
cvssv3.1 7.5 https://access.redhat.com/errata/RHSA-2018:2927
generic_textual HIGH https://access.redhat.com/errata/RHSA-2018:2927
cvssv3 5.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1000342.json
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
epss 0.00332 https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
cvssv3.1 7.5 https://github.com/advisories/GHSA-qcj7-g2j5-g7r3
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-qcj7-g2j5-g7r3
generic_textual HIGH https://github.com/advisories/GHSA-qcj7-g2j5-g7r3
cvssv3.1 7.5 https://github.com/bcgit/bc-java
generic_textual HIGH https://github.com/bcgit/bc-java
cvssv3.1 7.5 https://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9
generic_textual HIGH https://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2016-1000342
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-1000342
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-1000342
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2016-1000342
cvssv3.1 7.5 https://security.netapp.com/advisory/ntap-20181127-0004
generic_textual HIGH https://security.netapp.com/advisory/ntap-20181127-0004
cvssv3.1 7.5 https://usn.ubuntu.com/3727-1
generic_textual HIGH https://usn.ubuntu.com/3727-1
cvssv3.1 7.5 https://www.oracle.com/security-alerts/cpuoct2020.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuoct2020.html
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2018:2669
https://access.redhat.com/errata/RHSA-2018:2927
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1000342.json
https://api.first.org/data/v1/epss?cve=CVE-2016-1000342
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1000342
https://github.com/advisories/GHSA-qcj7-g2j5-g7r3
https://github.com/bcgit/bc-java
https://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647
https://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9
https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html
https://nvd.nist.gov/vuln/detail/CVE-2016-1000342
https://security.netapp.com/advisory/ntap-20181127-0004
https://security.netapp.com/advisory/ntap-20181127-0004/
https://usn.ubuntu.com/3727-1
https://www.oracle.com/security-alerts/cpuoct2020.html
1588715 https://bugzilla.redhat.com/show_bug.cgi?id=1588715
cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
USN-3727-1 https://usn.ubuntu.com/3727-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2018:2669
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2018:2927
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
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1000342.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
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/advisories/GHSA-qcj7-g2j5-g7r3
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
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/bcgit/bc-java
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
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/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html
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
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1000342
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1000342
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1000342
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://security.netapp.com/advisory/ntap-20181127-0004
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://usn.ubuntu.com/3727-1
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://www.oracle.com/security-alerts/cpuoct2020.html
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.55445
EPSS Score 0.00332
Published At July 31, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T07:58:50.950443+00:00 ProjectKB MSRImporter Import https://raw.githubusercontent.com/SAP/project-kb/master/MSR2019/dataset/vulas_db_msr2019_release.csv 37.0.0