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authorTatsuya Kinoshita <tats@debian.org>2016-11-21 13:47:46 +0000
committerTatsuya Kinoshita <tats@debian.org>2016-11-21 14:03:33 +0000
commit54f0858e90c1f88cbae62dd293160fc303a2ac72 (patch)
tree33d4e114ffde44a49be146feb30c5a61fbbe30be
parentNew patch 905_textarea.patch to fix heap write [CVE-2016-9424] (diff)
downloadw3m-54f0858e90c1f88cbae62dd293160fc303a2ac72.tar.gz
w3m-54f0858e90c1f88cbae62dd293160fc303a2ac72.zip
New patch 906_form-update.patch to fix bcopy size [CVE-2016-9432]
-rw-r--r--debian/patches/906_form-update.patch21
-rw-r--r--debian/patches/series1
2 files changed, 22 insertions, 0 deletions
diff --git a/debian/patches/906_form-update.patch b/debian/patches/906_form-update.patch
new file mode 100644
index 0000000..5f4c642
--- /dev/null
+++ b/debian/patches/906_form-update.patch
@@ -0,0 +1,21 @@
+Subject: Prevent segfault for formUpdateBuffer
+Author: Tatsuya Kinoshita <tats@debian.org>
+Bug-Debian: https://github.com/tats/w3m/issues/13 [CVE-2016-9432]
+Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=807e8b7fbffca6dcaf5db40e35f05d05c5cf02d3
+Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=7b88478227978a8d673b4dd0e05eee410cc33330
+
+diff --git a/form.c b/form.c
+index da115fa..779ba2f 100644
+--- a/form.c
++++ b/form.c
+@@ -481,8 +481,8 @@ formUpdateBuffer(Anchor *a, Buffer *buf, FormItemList *form)
+ spos = a->start.pos;
+ epos = a->end.pos;
+ }
+- if (a->start.line != a->end.line || spos > epos)
+- epos = spos;
++ if (a->start.line != a->end.line || spos > epos || epos >= l->len)
++ break;
+ pos = form_update_line(l, &p, spos, epos, COLPOS(l, epos) - col,
+ rows > 1,
+ form->type == FORM_INPUT_PASSWORD);
diff --git a/debian/patches/series b/debian/patches/series
index bb300fe..799a10b 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -41,3 +41,4 @@
903_input-type.patch
904_form-update.patch
905_textarea.patch
+906_form-update.patch