The TFTP client in IBM AIX 6.1 and 7.1, and VIOS 2.2.2.2-FP-26 SP-02, when RBAC is enabled, allows remote authenticated users to bypass intended file-ownership restrictions, and read or overwrite arbitrary files, via unspecified vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19519
https://exchange.xforce.ibmcloud.com/vulnerabilities/85366
http://www.ibm.com/support/docview.wss?uid=isg1IV42935
http://www.ibm.com/support/docview.wss?uid=isg1IV42934
http://www.ibm.com/support/docview.wss?uid=isg1IV42933
http://www.ibm.com/support/docview.wss?uid=isg1IV42932
http://www.ibm.com/support/docview.wss?uid=isg1IV42700
http://www.ibm.com/support/docview.wss?uid=isg1IV40221
http://aix.software.ibm.com/aix/efixes/security/tftp_advisory.asc