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CVS: cvs.openbsd.org: src
From: Brad Smith (brad
cvs.openbsd.org)
Date: Sat Sep 02 2006 - 13:09:01 CDT
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CVSROOT: /cvs
Module name: src
Changes by: bradcvs.openbsd.org 2006/09/02 12:09:01
Modified files:
sys/net : Tag: OPENBSD_3_9 if_spppsubr.c
Log message:
MFC:
Fix by canacar
Check for illegal option lengths when parsing LCP packets
and drop such bad packets. Also remove some redundant mallocs.
This fixes possible heap overflows when forming replys to such bad
packets as discovered by Martin Husemann and Pavel Cahyna.
reported by NetBSD, initial diff from markus,
additional comments by claudio, ok markus
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