Information Exposure Affecting libtomcrypt package, versions *


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.54% (41st percentile)

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  • Snyk IDSNYK-DEBIAN8-LIBTOMCRYPT-264934
  • published15 Jun 2018
  • disclosed15 Jun 2018

Introduced: 15 Jun 2018

CVE-2018-12437  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

There is no fixed version for Debian:8 libtomcrypt.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtomcrypt package and not the libtomcrypt package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1