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CVE-2016-1000338

bouncycastle: DSA does not fully validate ASN.1 encoding during signature verification allowing for injection of unsigned data

In Bouncy Castle JCE Provider version 1.55 and earlier the DSA 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.

CVSS 3.1 · 7.5 High EPSS 1.8% KEV · Not listed
Vendors
Bouncycastle Canonical Netapp and 1 more
Products
Legion-of-the-bouncy-castle-java-crytography-api Ubuntu Linux 7-mode Transition Tool and 3 more