Medium: yum

Issue Overview:

The installUpdates function in yum-cron/yum-cron.py in yum 3.4.3 and earlier does not properly check the return value of the sigCheckPkg function, which allows remote attackers to bypass the RMP package signing restriction via an unsigned package.

Affected Packages:

yum

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

New Packages:

noarch:  
    yum-cron-security-3.4.3-137.49.amzn1.noarch  
    yum-cron-hourly-3.4.3-137.49.amzn1.noarch  
    yum-3.4.3-137.49.amzn1.noarch  
    yum-cron-3.4.3-137.49.amzn1.noarch  
    yum-cron-daily-3.4.3-137.49.amzn1.noarch  
  
src:  
    yum-3.4.3-137.49.amzn1.src  

Additional References

Red Hat: CVE-2014-0022

Mitre: CVE-2014-0022