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authorLeo Famulari <leo@famulari.name>2017-02-13 17:31:23 -0500
committerLeo Famulari <leo@famulari.name>2017-02-14 14:24:04 -0500
commit1ae04e35111f1455134943ee098f39e55aebc3eb (patch)
tree8b9873a076dc62fad9bbc987400546ec9400369d
parent30f420c155670e5e72fc46512fd941867a913559 (diff)
downloadpatches-1ae04e35111f1455134943ee098f39e55aebc3eb.tar
patches-1ae04e35111f1455134943ee098f39e55aebc3eb.tar.gz
gnu: vim: Fix CVE-2017-5953.
* gnu/packages/patches/vim-CVE-2017-5953.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/vim.scm (vim)[source]: Use it.
-rw-r--r--gnu/local.mk1
-rw-r--r--gnu/packages/patches/vim-CVE-2017-5953.patch24
-rw-r--r--gnu/packages/vim.scm1
3 files changed, 26 insertions, 0 deletions
diff --git a/gnu/local.mk b/gnu/local.mk
index 26f6bbf0d7..060de25357 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -954,6 +954,7 @@ dist_patch_DATA = \
%D%/packages/patches/util-linux-tests.patch \
%D%/packages/patches/upower-builddir.patch \
%D%/packages/patches/valgrind-enable-arm.patch \
+ %D%/packages/patches/vim-CVE-2017-5953.patch \
%D%/packages/patches/vorbis-tools-CVE-2014-9638+CVE-2014-9639.patch \
%D%/packages/patches/vorbis-tools-CVE-2014-9640.patch \
%D%/packages/patches/vorbis-tools-CVE-2015-6749.patch \
diff --git a/gnu/packages/patches/vim-CVE-2017-5953.patch b/gnu/packages/patches/vim-CVE-2017-5953.patch
new file mode 100644
index 0000000000..7b66f1bf16
--- /dev/null
+++ b/gnu/packages/patches/vim-CVE-2017-5953.patch
@@ -0,0 +1,24 @@
+Fix CVE-2017-5953:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5953
+https://groups.google.com/forum/#!topic/vim_dev/t-3RSdEnrHY
+
+Patch adapted from upstream commit, correcting the transcription error
+in the bounds check:
+
+https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d
+
+diff --git a/src/spellfile.c b/src/spellfile.c
+index c7d87c6..8b1a3a6 100644
+--- a/src/spellfile.c
++++ b/src/spellfile.c
+@@ -1595,6 +1595,9 @@ spell_read_tree(
+ len = get4c(fd);
+ if (len < 0)
+ return SP_TRUNCERROR;
++ if (len >= 0x3fffffff)
++ /* Invalid length, multiply with sizeof(int) would overflow. */
++ return SP_FORMERROR;
+ if (len > 0)
+ {
+ /* Allocate the byte array. */
diff --git a/gnu/packages/vim.scm b/gnu/packages/vim.scm
index f042aba931..cdb32ac7eb 100644
--- a/gnu/packages/vim.scm
+++ b/gnu/packages/vim.scm
@@ -63,6 +63,7 @@
(uri (string-append "https://github.com/vim/vim/archive/v"
version ".tar.gz"))
(file-name (string-append name "-" version ".tar.gz"))
+ (patches (search-patches "vim-CVE-2017-5953.patch"))
(sha256
(base32
"04samk2bakyixbxyc3p0g6ypls45105sikibg0wc6lmak9bqjs85"))))