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Red Hat Security Advisory: krb5 security update

0
Medium
Published: 08/20/2024 (08/20/2024, 16:13:33 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-2024-37371) * krb5: GSS message token handling (CVE-2024-37370) 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 AppStream EUS (v.9.2)Red Hat Enterprise Linux BaseOS EUS (v.9.2)aarch64

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/04/2026, 01:29:19 UTC

Technical Analysis

This advisory covers two moderate severity vulnerabilities in the krb5 package used in Red Hat Enterprise Linux 9.2 Extended Update Support and related variants. Both CVE-2024-37370 and CVE-2024-37371 involve issues in GSS message token handling within the Kerberos authentication system. The vulnerabilities could potentially impact the secure authentication process facilitated by the Kerberos Key Distribution Center (KDC). Red Hat has released updated krb5 packages to address these issues. The advisory references Red Hat Bugzilla entries BZ-2294676 and BZ-2294677 for the respective CVEs. No CVSS scores are provided in the advisory, but the severity is rated as moderate by Red Hat Product Security.

Potential Impact

The vulnerabilities affect the GSS message token handling in krb5, which is critical for secure mutual authentication in Kerberos. Exploitation could undermine the integrity of the authentication process, potentially allowing attackers to interfere with or bypass authentication mechanisms. However, the advisory does not provide detailed impact scenarios or confirm active exploitation in the wild. The overall security impact is rated moderate by Red Hat.

Mitigation Recommendations

Red Hat has released updated krb5 packages for Red Hat Enterprise Linux 9.2 Extended Update Support and related variants that fix these vulnerabilities. Users should apply the official security update as described in Red Hat advisory RHSA-2024:5643 and the referenced article https://access.redhat.com/articles/11258 to remediate the issues. No additional mitigation steps are indicated or required beyond applying the official patch.

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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-2024:5643
Cve Count
2
Additional Cves
["CVE-2024-37371"]

Threat ID: 6a1f4ea1e29bf47b50087c7b

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

Last enriched: 07/04/2026, 01:29:19 UTC

Last updated: 09/10/2026, 19:51:16 UTC

Views: 56

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