Cryptographic Issues Affecting libgcrypt package, versions [,1.7.8)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.2% (59th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBGCRYPT-2374571
  • published26 Jan 2022
  • disclosed26 Jul 2018
  • creditUnknown

Introduced: 26 Jul 2018

CVE-2017-7526  (opens in a new tab)
CWE-310  (opens in a new tab)

How to fix?

Upgrade libgcrypt to version 1.7.8 or higher.

Overview

Affected versions of this package are vulnerable to Cryptographic Issues libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while using the left-to-right method for computing the sliding-window expansion. The same attack is believed to work on RSA-2048 with moderately more computation. This side-channel requires that attacker can run arbitrary software on the hardware where the private RSA key is used.

References

CVSS Scores

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