Module Name: src Committed By: snj Date: Sat Feb 10 04:25:38 UTC 2018
Modified Files: src/sys/dist/pf/net [netbsd-6]: pf.c Log Message: Pull up following revision(s) (requested by maxv in ticket #1527): sys/dist/pf/net/pf.c: revision 1.78 via patch Oh, what is this. Fix a remotely-triggerable integer overflow: the way we define TCPOLEN_SACK makes it unsigned, and the comparison in the while() is unsigned too. That's not the expected behavior, the original code wanted a signed comparison. It's pretty easy to make 'hlen' go negative and trigger a buffer overflow. This bug was reported 8 years ago by Lucio Albornoz in PR/44059. To generate a diff of this commit: cvs rdiff -u -r1.68 -r22.214.171.124 src/sys/dist/pf/net/pf.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.