Information Exposure Affecting gnutls package, versions <0:3.6.16-8.el8_9.3


0.0
medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High

    Threat Intelligence

    EPSS 0.04% (13th percentile)
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Red Hat
5.3 medium
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SUSE
5.3 medium

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  • Snyk ID SNYK-CENTOS8-GNUTLS-6475350
  • published 21 Mar 2024
  • disclosed 21 Mar 2024

How to fix?

Upgrade Centos:8 gnutls to version 0:3.6.16-8.el8_9.3 or higher.

NVD Description

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

A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE flag, it can result in a noticeable step in nonce size from 513 to 512 bits, exposing a potential timing side-channel.