CVE-2024-0553

Public Exploit
Gnutls: incomplete fix for cve-2023-5981

Description

A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.

Remediation

Workaround:

  • Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.76% Top 30%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gitlab.com
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHODF-4.15-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat RHOL-5.8-RHEL-9
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2024:0533 vendor advisory
https://access.redhat.com/errata/RHSA-2024:0627 vendor advisory
https://access.redhat.com/errata/RHSA-2024:0796 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1082 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1108 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1383 vendor advisory
https://access.redhat.com/errata/RHSA-2024:2094 vendor advisory
https://access.redhat.com/security/cve/CVE-2024-0553 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2258412 third party advisory issue tracking
https://gitlab.com/gnutls/gnutls/-/issues/1522 vendor advisory issue tracking exploit
https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.html mailing list
http://www.openwall.com/lists/oss-security/2024/01/19/3
https://lists.debian.org/debian-lts-announce/2024/02/msg00010.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
https://security.netapp.com/advisory/ntap-20240202-0011/

Frequently Asked Questions

What is the severity of CVE-2024-0553?
CVE-2024-0553 has been scored as a high severity vulnerability.
How to fix CVE-2024-0553?
As a workaround for remediating CVE-2024-0553: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Is CVE-2024-0553 being actively exploited in the wild?
It is possible that CVE-2024-0553 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-0553?
CVE-2024-0553 affects Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHODF-4.15-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat RHOL-5.8-RHEL-9, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7.
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