SUMMARY: permission denied changing passwd (no NIS)

From: Nathan Bardsley (nbardsley_at_leadfusion.com)
Date: 10/27/04

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    Date: Wed, 27 Oct 2004 10:34:19 -0700
To: sunmanagers@sunmanagers.org

    Thanks to Casper ***, who accurately suggested to check that
    /usr/bin/passwd was owned by root, and sure enough, the file owner was
    someone else. The change of file owner can be traced back to legitimate
    activity.

    Nathan Bardsley wrote:

    > When root tries to change a user's password the only result is
    > "Permission denied"
    >
    > root@host ~ # passwd user
    > New Password:
    > Re-enter new Password:
    > Permission denied
    >
    > There are a number of reports of similar problems that talk about NIS
    > and/or LDAP, neither of which I'm using.
    >
    > The system is patched up to current, including 112960-20.
    > The system is a standalone box, Solaris 9.
    >
    > I've trussed the command:
    > =-=-=-=
    > ioctl(3, TCSETAW, 0xFFBFB854) = 0
    >
    > write(2, "\n", 1) = 1
    > sigaction(SIGINT, 0xFFBFB730, 0xFFBFB7B0) = 0
    > close(3) = 0
    > creat("/etc/.pwd.lock", 0600) Err#13 EACCES
    > munmap(0xFEF20000, 5213) = 0
    > munmap(0xFEF32000, 2222) = 0
    > munmap(0xFEF00000, 12089) = 0
    > munmap(0xFEF14000, 2928) = 0
    > munmap(0xFEED0000, 5322) = 0
    > munmap(0xFEEE2000, 2103) = 0
    > munmap(0xFEEB0000, 4962) = 0
    > munmap(0xFEEC2000, 2371) = 0
    > munmap(0xFEE90000, 5898) = 0
    > munmap(0xFEEA2000, 3449) = 0
    > Permission deniedwrite(2, " P e r m i s s i o n d".., 17) = 17
    >
    > write(2, "\n", 1) = 1
    > _exit(1)
    > =-=-=-=
    >
    > root can create and remove the file "/etc/.pwd.lock", but the passwd
    > command can't.
    >
    > Any ideas? And of course, I'll provide a summary once it's working.
    >
    > Thanks,
    >
    > --Nathan
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