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CVE-2024-28834

Date: March 21, 2024

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.

Language: C

Severity Score

Related Resources (16)

https://lists.gnupg.org/pipermail/gnutls-help/2024-March/004845.html
https://access.redhat.com/errata/RHSA-2024:2570
https://access.redhat.com/security/cve/CVE-2024-28834
https://access.redhat.com/errata/RHSA-2024:2044
https://access.redhat.com/errata/RHSA-2024:1879
https://people.redhat.com/~hkario/marvin/
https://security.netapp.com/advisory/ntap-20240524-0004/
http://www.openwall.com/lists/oss-security/2024/03/22/1
http://www.openwall.com/lists/oss-security/2024/03/22/2
https://minerva.crocs.fi.muni.cz/
https://bugzilla.redhat.com/show_bug.cgi?id=2269228
https://access.redhat.com/errata/RHSA-2024:1784
https://nvd.nist.gov/vuln/detail/CVE-2024-28834
https://access.redhat.com/errata/RHSA-2024:2889
https://access.redhat.com/errata/RHSA-2024:1997
https://www.mend.io/vulnerability-database/CVE-2024-28834

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Use of a Broken or Risky Cryptographic Algorithm

CWE-327

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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