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Red Hat Security Advisory: krb5 security update

0
Medium
Published: 07/23/2024 (07/23/2024, 14:59:08 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to authenticate to each other with the help of a trusted third party, the Kerberos key distribution center (KDC). Security Fix(es): * krb5: GSS message token handling (CVE-2024-37370) * krb5: GSS message token handling (CVE-2024-37371) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected software

Affected versions
Red HatRed Hat Enterprise LinuxRed Hat Enterprise Linux BaseOS AUS (v.8.4)Red Hat Enterprise Linux BaseOS E4S (v.8.4)Red Hat Enterprise Linux BaseOS TUS (v.8.4)

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/04/2026, 01:31:31 UTC

Technical Analysis

Red Hat Product Security issued an advisory (RHSA-2024:4734) for krb5 in Red Hat Enterprise Linux 8.4 variants to address two vulnerabilities (CVE-2024-37370 and CVE-2024-37371) related to GSS message token handling. Kerberos is a network authentication protocol that prevents sending passwords in unencrypted form by using a trusted third party (KDC). The advisory rates the impact as moderate and provides updated krb5 packages to fix these issues. The advisory references detailed CVE pages for further information. No CVSS scores were provided in the advisory.

Potential Impact

The vulnerabilities affect the GSS message token handling in krb5, potentially impacting the security of Kerberos authentication processes. Red Hat rates the security impact as moderate. No known exploits in the wild have been reported. The issues could affect the integrity or reliability of authentication tokens exchanged between clients and servers using Kerberos.

Mitigation Recommendations

A security update for krb5 is available for Red Hat Enterprise Linux 8.4 variants, including Advanced Mission Critical Update Support, Update Services for SAP Solutions, and Telecommunications Update Service. Users should apply the update as described in the Red Hat advisory (RHSA-2024:4734) and the referenced article https://access.redhat.com/articles/11258 to remediate the vulnerabilities. No additional mitigation steps are indicated beyond applying the official update.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_security_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2024:4734
Cve Count
2
Additional Cves
["CVE-2024-37371"]

Threat ID: 6a1f4ea1e29bf47b50087cae

Added to database: 06/02/2026, 21:44:01 UTC

Last enriched: 07/04/2026, 01:31:31 UTC

Last updated: 09/10/2026, 19:36:48 UTC

Views: 63

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