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Red Hat Bugzilla – Attachment 193951 Details for
Bug 288201
CVE-2007-4570 mctransd DoS
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[patch]
patch attempting to fix problem
mcstrans-0.2.3-category-bounds.patch (text/plain), 756 bytes, created by
Steve Grubb
on 2007-09-12 20:13:16 UTC
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Description:
patch attempting to fix problem
Filename:
MIME Type:
Creator:
Steve Grubb
Created:
2007-09-12 20:13:16 UTC
Size:
756 bytes
patch
obsolete
>diff -urp mcstrans-0.2.3.orig/src/mcstrans.c mcstrans-0.2.3/src/mcstrans.c >--- mcstrans-0.2.3.orig/src/mcstrans.c 2007-02-12 17:13:15.000000000 -0500 >+++ mcstrans-0.2.3/src/mcstrans.c 2007-09-12 16:09:38.000000000 -0400 >@@ -10,6 +10,8 @@ > #include <selinux/context.h> > #include "dso.h" > >+#define MAX_CATEGORIES 1023 >+ > /* Define data structures */ > typedef struct selabel { > char* raw; >@@ -268,6 +270,11 @@ static char *substitute_range(const char > int begin = atoi(&tok[1]); > ++r; > int end = atoi(&r[1]); >+ if (end < begin || end > MAX_CATEGORIES || end < 0 || >+ begin > MAX_CATEGORIES || begin < 0) { >+ error = 1; >+ break; >+ } > for (;begin<end+1;begin++) { > tmp = sub; > if (asprintf(&sub,"%sc%d,", sub, begin) < 0) {
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bug 288201
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