CVE-2018-12437

Name	CVE-2018-12437
Description	LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	901626

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libtomcrypt (PTS)	bullseye	1.18.2-5	fixed
	bookworm	1.18.2-6	fixed
	sid, trixie	1.18.2+dfsg-7	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libtomcrypt	source	(unstable)	1.18.2-1	low		901626

Notes

[stretch] - libtomcrypt <no-dsa> (Minor issue)
[jessie] - libtomcrypt <no-dsa> (Minor issue)
https://github.com/libtom/libtomcrypt/issues/407
https://github.com/libtom/libtomcrypt/pull/408