CVE-2016-1000342

Name	CVE-2016-1000342
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 the signature and still have it validate, which in some cases may allow the introduction of 'invisible' data into a signed structure.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1418-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
bouncycastle (PTS)	jessie, jessie (lts)	1.49+dfsg-3+deb8u3	fixed
	stretch (security)	1.56-1+deb9u3	fixed
	stretch (lts), stretch	1.56-1+deb9u4	fixed
	buster (security), buster, buster (lts)	1.60-1+deb10u1	fixed
	bullseye	1.68-2	fixed
	bookworm	1.72-2	fixed
	sid, trixie	1.77-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
bouncycastle	source	wheezy	(unfixed)	end-of-life
bouncycastle	source	jessie	1.49+dfsg-3+deb8u3		DLA-1418-1
bouncycastle	source	(unstable)	1.56-1

https://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9