fix file encoding of madwifi security patch (trac gave me CRLF)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5744 3c298f89-4303-0410-b956-a3cf2f4a3e73master
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e1b3309373
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070350b0d9
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@ -1,27 +1,27 @@
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The fix for CVE-2006-6332 in r1842 was not entirely correct. In
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The fix for CVE-2006-6332 in r1842 was not entirely correct. In
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encode_ie() the bound check did not consider that each byte from
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encode_ie() the bound check did not consider that each byte from
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the IE causes two bytes to be written into buffer. That could
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the IE causes two bytes to be written into buffer. That could
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lead to a kernel oops, but does not allow code injection. This is
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lead to a kernel oops, but does not allow code injection. This is
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now fixed.
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now fixed.
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Due to the type of this problem it does not trigger another
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Due to the type of this problem it does not trigger another
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urgent security bugfix release. v0.9.3 is at the door anyway.
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urgent security bugfix release. v0.9.3 is at the door anyway.
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Reported-by: Joachim Gleisner <jg@suse.de>
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Reported-by: Joachim Gleisner <jg@suse.de>
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Index: trunk/net80211/ieee80211_wireless.c
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Index: trunk/net80211/ieee80211_wireless.c
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===================================================================
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===================================================================
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--- trunk/net80211/ieee80211_wireless.c (revision 1846)
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--- trunk/net80211/ieee80211_wireless.c (revision 1846)
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+++ trunk/net80211/ieee80211_wireless.c (revision 1847)
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+++ trunk/net80211/ieee80211_wireless.c (revision 1847)
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@@ -1566,8 +1566,8 @@
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@@ -1566,8 +1566,8 @@
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bufsize -= leader_len;
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bufsize -= leader_len;
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p += leader_len;
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p += leader_len;
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- if (bufsize < ielen)
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- if (bufsize < ielen)
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- return 0;
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- return 0;
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- for (i = 0; i < ielen && bufsize > 2; i++)
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- for (i = 0; i < ielen && bufsize > 2; i++)
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+ for (i = 0; i < ielen && bufsize > 2; i++) {
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+ for (i = 0; i < ielen && bufsize > 2; i++) {
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p += sprintf(p, "%02x", ie[i]);
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p += sprintf(p, "%02x", ie[i]);
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+ bufsize -= 2;
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+ bufsize -= 2;
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+ }
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+ }
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return (i == ielen ? p - (u_int8_t *)buf : 0);
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return (i == ielen ? p - (u_int8_t *)buf : 0);
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}
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}
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