CVE-2016-1000342
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.82% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 78.7% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-06-04 13:00Z8 YR AGO
- Last updated
- 2024-08-06 03:55Z2 YR AGO
- Reserved
- 2018-06-04
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 0cd5450421d78369c81aea4c50b241c080ba7aa81fc95fdbf696fc95060932fe
05 Affected products
06 References
- lists.debian.org[debian-lts-announce] 20180707 [SECURITY] [DLA 1418-1] bouncycastle security updatehttps://lists.debian.org/debian-lts-announce/2018/07/msg00009.html
- access.redhat.comRHSA-2018:2669https://access.redhat.com/errata/RHSA-2018:2669
- usn.ubuntu.comUSN-3727-1https://usn.ubuntu.com/3727-1/
- access.redhat.comRHSA-2018:2927https://access.redhat.com/errata/RHSA-2018:2927
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2020.html
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20181127-0004/
- github.comhttps://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9
07 Fixed in
Debian 12
- bouncycastle Fixed in 1.56-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- bouncycastle Fixed in 1.56-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- bouncycastle Fixed in 1.56-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- bouncycastle Fixed in 1.49+dfsg-2ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- bouncycastle No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.