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Cryptographic Issues The advisory has been revoked - it doesn't affect any version of package libgcrypt20 Open this link in a new tab

    Threat Intelligence

    EPSS 0.14% (49th percentile)
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NVD
5.9 medium
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SUSE
5.9 medium
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Red Hat
5.9 medium

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  • Snyk ID SNYK-UBUNTU2004-LIBGCRYPT20-576861
  • published 23 Jun 2019
  • disclosed 20 Jun 2019
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Introduced: 20 Jun 2019

CVE-2019-12904 Open this link in a new tab
CWE-310 Open this link in a new tab

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgcrypt20 package and not the libgcrypt20 package as distributed by Ubuntu.

In Libgcrypt 1.8.4, the C implementation of AES is vulnerable to a flush-and-reload side-channel attack because physical addresses are available to other processes. (The C implementation is used on platforms where an assembly-language implementation is unavailable.) NOTE: the vendor's position is that the issue report cannot be validated because there is no description of an attack