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Bugtraq: Re: [ Hackerslab bug_paper ] Linux dump buffer overflow

Re: [ Hackerslab bug_paper ] Linux dump buffer overflow

From: Przemyslaw Frasunek <venglin_at_FREEBSD.LUBLIN.PL>
Date: Thu, 2 Mar 2000 06:50:07 +0100

On 01-Mar-2000 Derek Callaway wrote:
> (gdb) #0 getenv (name=0x40111a70 "") at ../sysdeps/generic/getenv.c:88
>>From this gdb session, it appears that there _could_ be a problem with
> the way that glibc's time functions behave.

No. getenv() fails because *envp, argc, **argv are AFTER pathname[]
buffer and gets overwritten.

Of course, it is still exploitable. 

--
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Received on Mar 01 2000
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