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.
http://www.kb.cert.org/vuls/id/877811
http://www.kb.cert.org/vuls/id/121891
https://exchange.xforce.ibmcloud.com/vulnerabilities/7859
https://exchange.xforce.ibmcloud.com/vulnerabilities/7857
http://publib.boulder.ibm.com/infocenter/pseries/topic/com.ibm.aix.doc/cmds/aixcmds2/grpck.htm
http://marc.info/?l=vulnwatch&m=100998205010794&w=2
http://marc.info/?l=vuln-dev&m=100999352406822&w=2
Source: Mitre, NVD
Published: 2002-01-02
Updated: 2026-06-16
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.0014