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Information Exposure Affecting libgcrypt20 package, versions <1.6.3-2

0.0
medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High

    Threat Intelligence

    EPSS 0.26% (66th percentile)
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NVD
5.9 medium
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Red Hat
2.9 low

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  • Snyk ID SNYK-DEBIAN10-LIBGCRYPT20-391875
  • published 27 Jun 2018
  • disclosed 29 Nov 2019
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Introduced: 27 Jun 2018

CVE-2015-0837 Open this link in a new tab
CWE-203 Open this link in a new tab

How to fix?

Upgrade Debian:10 libgcrypt20 to version 1.6.3-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgcrypt20 package and not the libgcrypt20 package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."