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» SmaugMuds.org » Bugfix Lists » SmaugFUSS Bugfix List » [Bug] Potential Stack Overwri...
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[Bug] Potential Stack Overwrite when displaying prompts
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Post is unread #1 Feb 4, 2010, 3:01 pm
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Kayle
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JoinedMar 21, 2006

Bug: Potential Stack Overwrite in display_prompt
Danger: Minor - Probably never see it actually happen, but the chance is there.
Found by: Nick Gammon
Fixed by: Nick Gammon

---

comm.c, display_prompt;
Find:
            if( pstat != 0x80000000 )
               snprintf( pbuf, MAX_STRING_LENGTH, "%d", pstat );
            pbuf += strlen( pbuf );


Replace with:
            if( pstat != 0x80000000 )
               snprintf( pbuf, MAX_STRING_LENGTH - strlen (buf), "%d", pstat );
            pbuf += strlen( pbuf );

       
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