Information Exposure Affecting libgcrypt package, versions <10:1.8.5-6.el8_fips


medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.23% (61st percentile)
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NVD
7.5 high
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SUSE
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-ORACLE8-LIBGCRYPT-2597125
  • published 10 Apr 2022
  • disclosed 8 Jun 2021

How to fix?

Upgrade Oracle:8 libgcrypt to version 10:1.8.5-6.el8_fips or higher.
This issue was patched in ELSA-2022-9263.

NVD Description

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

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.