high
7.5
Advisory Published
Updated

CVE-2024-37370

First published: Fri Jun 28 2024(Updated: )

In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/krb5
1.18.3-6+deb11u5
1.20.1-2+deb12u2
1.21.3-3
MIT Kerberos 5<1.21.3

Remedy

https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2024-37370?

    CVE-2024-37370 is considered a medium severity vulnerability due to its potential impact on data confidentiality.

  • How do I fix CVE-2024-37370?

    To fix CVE-2024-37370, upgrade to versions 1.21.3 or later of MIT Kerberos 5.

  • What software is affected by CVE-2024-37370?

    CVE-2024-37370 affects MIT Kerberos 5 versions prior to 1.21.3 and IBM QRadar SIEM versions up to 7.5.0 UP9 IF03.

  • What type of attack does CVE-2024-37370 facilitate?

    CVE-2024-37370 allows an attacker to modify the plaintext Extra Count field of a GSS krb5 wrap token.

  • What are the implications of CVE-2024-37370 for applications using Kerberos?

    Applications using Kerberos may incorrectly interpret truncated unwrapped tokens, potentially leading to confidentiality issues.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203