Buffer overflow in (1) grpck and (2) pwck, if installed setuid on a system as recommended in some AIX documentation, may allow local users to gain privileges via a long command line argument.
marc.info/?l=vuln-dev&m=100999352406822&w=2
marc.info/?l=vulnwatch&m=100998205010794&w=2
publib.boulder.ibm.com/infocenter/pseries/topic/com.ibm.aix.doc/cmds/aixcmds2/grpck.htm
www.kb.cert.org/vuls/id/121891
www.kb.cert.org/vuls/id/877811
exchange.xforce.ibmcloud.com/vulnerabilities/7857
exchange.xforce.ibmcloud.com/vulnerabilities/7859