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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 0.1% (41st percentile)
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NVD
4.2 medium
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Red Hat
2.9 low

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  • Snyk ID SNYK-DEBIAN10-LIBGCRYPT20-391906
  • published 27 Jun 2018
  • disclosed 29 Nov 2019
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Introduced: 27 Jun 2018

CVE-2014-3591 Open this link in a new tab
CWE-200 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.

Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.