- Vulnerability/
- CVE-2024-28834
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 Software | Affected Version | How 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 |
| F5 Traffix Systems Signaling Delivery Controller | =5.2.0=5.1.0 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager | <=ISVG 10.0.2 |
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Reference Links
- https://lists.gnupg.org/pipermail/gnutls-help/2024-March/004845.html
- https://www.gnutls.org/security-new.html#GNUTLS-SA-2023-12-04
- https://access.redhat.com/security/cve/CVE-2024-28834
- https://people.redhat.com/~hkario/marvin/
- https://www.cve.org/CVERecord?id=CVE-2024-28834
- https://ubuntu.com/security/notices/USN-6733-1
- https://ubuntu.com/security/notices/USN-6733-2
- https://nvd.nist.gov/vuln/detail/CVE-2024-28834
- https://launchpad.net/bugs/cve/CVE-2024-28834
- https://security-tracker.debian.org/tracker/CVE-2024-28834
- https://gitlab.com/gnutls/gnutls/-/commit/4a4cefef6c194f8fbbffd7fb19651219421b085b
- https://gitlab.com/gnutls/gnutls/-/commit/1c4701ffc342259fc5965d5a0de90d87f780e3e5
- https://ubuntu.com/security/CVE-2024-28834
- https://bugzilla.redhat.com/show_bug.cgi?id=2269228
- https://access.redhat.com/errata/RHSA-2024:1784
- https://access.redhat.com/errata/RHSA-2024:1879
- https://access.redhat.com/errata/RHSA-2024:1997
- https://access.redhat.com/errata/RHSA-2024:2044
- https://minerva.crocs.fi.muni.cz/
- https://access.redhat.com/errata/RHSA-2024:2570
- https://access.redhat.com/errata/RHSA-2024:2889
- http://www.openwall.com/lists/oss-security/2024/03/22/1
- http://www.openwall.com/lists/oss-security/2024/03/22/2
- https://gitlab.com/gnutls/gnutls/-/issues/1516
- https://gitlab.com/gnutls/gnutls/-/merge_requests/1051
- https://security.netapp.com/advisory/ntap-20240524-0004/
- https://my.f5.com/manage/s/article/K000141041
- https://minerva.crocs.fi.muni.cz
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2270616
- https://www.ibm.com/support/pages/node/7172423 (Advisory)
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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