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Covert Timing Channel Affecting libgcrypt package, versions *

0.0
medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High

    Threat Intelligence

    EPSS 0.14% (50th 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-CENTOS8-LIBGCRYPT-1940362
  • published 26 Jul 2021
  • disclosed 16 Jul 2019
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Introduced: 16 Jul 2019

CVE-2019-12904 Open this link in a new tab
CWE-385 Open this link in a new tab

How to fix?

There is no fixed version for Centos:8 libgcrypt.

NVD Description

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

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