CWE
200 327
EPSS
0.045%
Advisory Published
CVE Published
CVE Published
Advisory Published
Updated

CVE-2024-28834: Gnutls: vulnerable to minerva side-channel information leak

First published: Tue Mar 12 2024(Updated: )

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.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
ubuntu/gnutls28<3.6.13-2ubuntu1.11
3.6.13-2ubuntu1.11
ubuntu/gnutls28<3.7.3-4ubuntu1.5
3.7.3-4ubuntu1.5
ubuntu/gnutls28<3.8.1-4ubuntu1.3
3.8.1-4ubuntu1.3
ubuntu/gnutls28<3.8.3-1.1ubuntu3.1
3.8.3-1.1ubuntu3.1
debian/gnutls28<=3.7.1-5+deb11u4<=3.7.1-5+deb11u3<=3.7.9-2+deb12u2
3.6.7-4+deb10u8
3.6.7-4+deb10u12
3.8.5-4
redhat/gnutls<3.8.4
3.8.4
IBM Security Verify Governance, Identity Manager software component<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager virtual appliance component<=ISVG 10.0.2
F5 Traffix Systems Signaling Delivery Controller=5.2.0=5.1.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2024-28834?

    CVE-2024-28834 has been classified as a significant cryptographic vulnerability due to its potential for side-channel attacks.

  • How do I fix CVE-2024-28834?

    To fix CVE-2024-28834, upgrade to GnuTLS versions 3.6.13-2ubuntu1.11 or later for Ubuntu, or to appropriate versions provided by other distributions like Debian and Red Hat.

  • What systems are affected by CVE-2024-28834?

    CVE-2024-28834 affects various GnuTLS implementations across different platforms, including specific versions on Ubuntu, Debian, and Red Hat.

  • What are the consequences of CVE-2024-28834 if exploited?

    If exploited, CVE-2024-28834 can lead to information leakage through side-channel attacks, potentially compromising sensitive data.

  • Is there a workaround for CVE-2024-28834?

    Currently, the best approach for CVE-2024-28834 is to update to the latest GnuTLS versions, as no specific workarounds are recommended.

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