Published: 04/06/2018 Updated: 20/10/2020

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 446

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Subscribe to Legion-of-the-bouncy-castle-java-crytography-api

In the Bouncy Castle JCE Provider version 1.55 and previous versions 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.

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bouncycastle legion-of-the-bouncy-castle-java-crytography-api
debian debian linux 8.0

Synopsis Important: Satellite 64 security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update is now available for Red Hat Satellite 64 for RHEL 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring ...

Synopsis Important: Fuse 71 security update Type/Severity Security Advisory: Important Topic An update is now available for Red Hat FuseRed Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed s ...

Several security issues were fixed in Bouncy Castle ...

In the Bouncy Castle JCE Provider version 155 and earlier ECDSA does not fully validate ASN1 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 ...

CWE-347 https://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9 https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html https://usn.ubuntu.com/3727-1/https://access.redhat.com/errata/RHSA-2018:2669 https://access.redhat.com/errata/RHSA-2018:2927 https://security.netapp.com/advisory/ntap-20181127-0004/https://www.oracle.com/security-alerts/cpuoct2020.html https://access.redhat.com/errata/RHSA-2018:2927 https://nvd.nist.gov https://usn.ubuntu.com/3727-1/

CVE-2016-1000342

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