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Cryptographic Issues Affecting libgcrypt20 package, versions <1.7.8-1

Severity

 Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.38% (74th percentile)

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  • Snyk ID SNYK-DEBIAN12-LIBGCRYPT20-1549887
  • published 27 Jun 2018
  • disclosed 26 Jul 2018
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Introduced: 27 Jun 2018

CVE-2017-7526 Open this link in a new tab
CWE-310 Open this link in a new tab

How to fix?

Upgrade Debian:12 libgcrypt20 to version 1.7.8-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgcrypt20 package and not the libgcrypt20 package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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