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Subject: Prevent segfault with malformed input type
Author: Tatsuya Kinoshita <tats@debian.org>
Bug-Debian: https://github.com/tats/w3m/issues/7 [CVE-2016-9430]
Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=59b91cd8e30c86f23476fa81ae005cabff49ebb6
diff --git a/file.c b/file.c
index 1e363d0..d06b2cf 100644
--- a/file.c
+++ b/file.c
@@ -3622,9 +3622,10 @@ process_input(struct parsed_tag *tag)
Strcat(tmp, getLinkNumberStr(0));
Strcat_char(tmp, '(');
}
- Strcat(tmp, Sprintf("<input_alt hseq=\"%d\" fid=\"%d\" type=%s "
+ Strcat(tmp, Sprintf("<input_alt hseq=\"%d\" fid=\"%d\" type=\"%s\" "
"name=\"%s\" width=%d maxlength=%d value=\"%s\"",
- cur_hseq++, cur_form_id, p, html_quote(r), w, i, qq));
+ cur_hseq++, cur_form_id, html_quote(p),
+ html_quote(r), w, i, qq));
if (x)
Strcat_charp(tmp, " checked");
if (y)
@@ -3772,9 +3773,10 @@ process_button(struct parsed_tag *tag)
}
// Strcat_charp(tmp, "<pre_int>");
- Strcat(tmp, Sprintf("<input_alt hseq=\"%d\" fid=\"%d\" type=%s "
+ Strcat(tmp, Sprintf("<input_alt hseq=\"%d\" fid=\"%d\" type=\"%s\" "
"name=\"%s\" value=\"%s\">",
- cur_hseq++, cur_form_id, p, html_quote(r), qq));
+ cur_hseq++, cur_form_id, html_quote(p),
+ html_quote(r), qq));
return tmp;
}
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