Medium: quagga

Issue Overview:

The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.

Affected Packages:

quagga

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

New Packages:

i686:  
    quagga-devel-0.99.21-6.12.amzn1.i686  
    quagga-contrib-0.99.21-6.12.amzn1.i686  
    quagga-0.99.21-6.12.amzn1.i686  
    quagga-debuginfo-0.99.21-6.12.amzn1.i686  
  
src:  
    quagga-0.99.21-6.12.amzn1.src  
  
x86_64:  
    quagga-contrib-0.99.21-6.12.amzn1.x86_64  
    quagga-0.99.21-6.12.amzn1.x86_64  
    quagga-debuginfo-0.99.21-6.12.amzn1.x86_64  
    quagga-devel-0.99.21-6.12.amzn1.x86_64  

Additional References

Red Hat: CVE-2013-6051

Mitre: CVE-2013-6051