Medium: krb5

Issue Overview:

krb5: GSS message token handling (CVE-2024-37370)

In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields. (CVE-2024-37371)

Affected Packages:

krb5

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update krb5 to update your system.

New Packages:

aarch64:  
    krb5-devel-1.15.1-55.amzn2.2.8.aarch64  
    krb5-libs-1.15.1-55.amzn2.2.8.aarch64  
    krb5-server-1.15.1-55.amzn2.2.8.aarch64  
    krb5-server-ldap-1.15.1-55.amzn2.2.8.aarch64  
    krb5-workstation-1.15.1-55.amzn2.2.8.aarch64  
    krb5-pkinit-1.15.1-55.amzn2.2.8.aarch64  
    libkadm5-1.15.1-55.amzn2.2.8.aarch64  
    krb5-debuginfo-1.15.1-55.amzn2.2.8.aarch64  
  
i686:  
    krb5-devel-1.15.1-55.amzn2.2.8.i686  
    krb5-libs-1.15.1-55.amzn2.2.8.i686  
    krb5-server-1.15.1-55.amzn2.2.8.i686  
    krb5-server-ldap-1.15.1-55.amzn2.2.8.i686  
    krb5-workstation-1.15.1-55.amzn2.2.8.i686  
    krb5-pkinit-1.15.1-55.amzn2.2.8.i686  
    libkadm5-1.15.1-55.amzn2.2.8.i686  
    krb5-debuginfo-1.15.1-55.amzn2.2.8.i686  
  
src:  
    krb5-1.15.1-55.amzn2.2.8.src  
  
x86_64:  
    krb5-devel-1.15.1-55.amzn2.2.8.x86_64  
    krb5-libs-1.15.1-55.amzn2.2.8.x86_64  
    krb5-server-1.15.1-55.amzn2.2.8.x86_64  
    krb5-server-ldap-1.15.1-55.amzn2.2.8.x86_64  
    krb5-workstation-1.15.1-55.amzn2.2.8.x86_64  
    krb5-pkinit-1.15.1-55.amzn2.2.8.x86_64  
    libkadm5-1.15.1-55.amzn2.2.8.x86_64  
    krb5-debuginfo-1.15.1-55.amzn2.2.8.x86_64  

Additional References

Red Hat: CVE-2024-37370, CVE-2024-37371

Mitre: CVE-2024-37370, CVE-2024-37371