Information Exposure Affecting libgcrypt-devel package, versions <0:1.5.3-12.18.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.28% (68th percentile)

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  • Snyk IDSNYK-AMZN201803-LIBGCRYPTDEVEL-1688902
  • published27 Sept 2021
  • disclosed29 Nov 2019

Introduced: 29 Nov 2019

CVE-2015-0837  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 libgcrypt-devel to version 0:1.5.3-12.18.amzn1 or higher.
This issue was patched in ALAS-2015-577.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgcrypt-devel package and not the libgcrypt-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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."

CVSS Scores

version 3.1