patches: Added CVE-2013-2131.

[pkg-rrdtool.git] / debian / patches / CVE-2013-2131

diff --git a/debian/patches/CVE-2013-2131 b/debian/patches/CVE-2013-2131
new file mode 100644 (file)
index 0000000..b0b576b
--- /dev/null
+++ b/debian/patches/CVE-2013-2131
@@ -0,0 +1,69 @@
+diff --git a/src/rrd_graph.c b/src/rrd_graph.c
+index 25ae485..e714e4f 100644
+--- a/src/rrd_graph.c
++++ b/src/rrd_graph.c
+@@ -4144,6 +4144,12 @@ rrd_info_t *rrd_graph_v(
+         char     *path;
+         char     *filename;
+ 
++        if (bad_format_imginfo(im.imginfo)) {
++            rrd_info_free(im.grinfo);
++            im_free(&im);
++            rrd_set_error("bad format for imginfo");
++            return NULL;
++        }
+         path = strdup(im.graphfile);
+         filename = basename(path);
+         info.u_str =
+@@ -4961,6 +4967,51 @@ int bad_format(
+ }
+ 
+ 
++int bad_format_imginfo(
++    char *fmt)
++{
++    char     *ptr;
++    int       n = 0;
++
++    ptr = fmt;
++    while (*ptr != '\0')
++        if (*ptr++ == '%') {
++
++            /* line cannot end with percent char */
++            if (*ptr == '\0')
++                return 1;
++            /* '%%' is allowed */
++            if (*ptr == '%')
++                ptr++;
++            /* '%s', '%S' are allowed */
++            else if (*ptr == 's' || *ptr == 'S') {
++                n = 1;
++                ptr++;
++            }
++
++            /* or else '% 4lu' and such are allowed */
++            else {
++                /* optional padding character */
++                if (*ptr == ' ')
++                    ptr++;
++                /* This should take care of 'm' */
++                while (*ptr >= '0' && *ptr <= '9')
++                    ptr++;
++                /* 'lu' must follow here */
++                if (*ptr++ != 'l')
++                    return 1;
++                if (*ptr == 'u')
++                    ptr++;
++                else
++                    return 1;
++                n++;
++            }
++        }
++
++    return (n != 3);
++}
++
++
+ int vdef_parse(
+     struct graph_desc_t
+     *gdes,