oss-security - Re: Re: strings / libbfd crasher

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Message-ID: <CALx_OUD2S+XEc3r5gYaNvWU===M-jygoPe1e9tkxKbUKwpQMnQ@mail.gmail.com>
Date: 2014年10月27日 11:59:56 -0700
From: Michal Zalewski <lcamtuf@...edump.cx>
To: oss-security <oss-security@...ts.openwall.com>
Subject: Re: Re: strings / libbfd crasher
Well, there's also a trivial stack buffer overflow in srec.c near line 254:
 char buf[10];
...
 sprintf (buf, "\\%03o", (unsigned int) c);
But with this test case, c will be -44, or "1777777777777777777724円",
which sounds a lot longer than 9 characters.
http://lcamtuf.coredump.cx/strings-stack-overflow
/mz

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