Sergei Lukin: 1 main/vim: security fixes #6866 2 files changed, 38 insertions(+), 3 deletions(-)
Copy & paste the following snippet into your terminal to import this patchset into git:
curl -s https://lists.alpinelinux.org/~alpine/aports/patches/2555/mbox | git am -3Learn more about email & git
CVE-2017-5953: Tree length values not validated properly when handling a spell file --- main/vim/APKBUILD | 13 ++++++++++--- main/vim/CVE-2017-5953.patch | 28 ++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+), 3 deletions(-) create mode 100644 main/vim/CVE-2017-5953.patch diff --git a/main/vim/APKBUILD b/main/vim/APKBUILD index 263d5bf..f3e5fa8 100644 --- a/main/vim/APKBUILD +++ b/main/vim/APKBUILD @@ -1,3 +1,4 @@ +# Contributor: Sergei Lukin <sergej.lukin@gmail.com> # Maintainer: Natanael Copa <ncopa@alpinelinux.org> pkgname=vim pkgver=7.4.712 @@ -16,10 +17,13 @@ subpackages="$pkgname-doc ${pkgname}diff" source="http://dev.alpinelinux.org/archive/vim/vim-$pkgver.tar.gz vimrc CVE-2016-1248.patch + CVE-2017-5953.patch " _builddir="$srcdir"/vim-v${pkgver//./-} # secfixes: +# 7.4.712-r2: +# - CVE-2017-5953 # 7.4.712-r1: # - CVE-2016-1248 @@ -67,10 +71,13 @@ vimdiff() { md5sums="ad8543cadbadb7f3a71d35296ce3612f vim-7.4.712.tar.gz 97aecde2ab504e543a96bec84b3b5638 vimrc -65cd79792f8150130c4aafb7842b80cf CVE-2016-1248.patch" +65cd79792f8150130c4aafb7842b80cf CVE-2016-1248.patch +9ef01e90bbb56924265c7306ae9f58c3 CVE-2017-5953.patch" sha256sums="7fe2a9cb24b258a725c5a95f052b62f341aac122aab1243a9a270eff722a37e3 vim-7.4.712.tar.gz 7ac7e5fd75fe315fd8b3ca4172056ebb9f06df0b5985d3ff88133dfcdd87076b vimrc -b8d1227a41d6f7f596f3bf45dfaf9d0dbbbcf091c5f145c95d464986031446e5 CVE-2016-1248.patch" +b8d1227a41d6f7f596f3bf45dfaf9d0dbbbcf091c5f145c95d464986031446e5 CVE-2016-1248.patch +79dfa7c82565efe85f5cbcc889aa45cc46f2c6a83c58b35b834e05b54367c44d CVE-2017-5953.patch" sha512sums="db0e20b3b43ec4033aa057a2676d2a294d12139ecfa7be2403a54e2b0d869e5ba6a606f7dd964752c802129c6e95afee7da2e48f5605c7f64041aa8fb2354aa7 vim-7.4.712.tar.gz d9586b777881973cb5e48e18750336a522ed72c3127b2d6b6991e2b943468ca5b694476e7fa39ab469178c1375fc8f52627484e0fe377aea5811a513e35a7b02 vimrc -e773f8c497364930dea10585af5888f12ea7be1effb23461df9f92c10c2c0e9e55e127b9465f62a20c03e08ab77f9c9f140f50277d7c9cc5c318e84725434d18 CVE-2016-1248.patch" +e773f8c497364930dea10585af5888f12ea7be1effb23461df9f92c10c2c0e9e55e127b9465f62a20c03e08ab77f9c9f140f50277d7c9cc5c318e84725434d18 CVE-2016-1248.patch +e9f2bef38bf5257857f2936d6e3e7d7564d97701bf2f89ad1fd56ff7d0f7f8d722801b4c6ace859101e7611e74d48bf052f6cca9e2b6b4720d9adc1a1d38e2cf CVE-2017-5953.patch" diff --git a/main/vim/CVE-2017-5953.patch b/main/vim/CVE-2017-5953.patch new file mode 100644 index 0000000..26e8abe --- /dev/null +++ b/main/vim/CVE-2017-5953.patch @@ -0,0 +1,28 @@ +Source: +https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d +Script was adjusted for vim-7.4.1831 + +commit 399c297aa93afe2c0a39e2a1b3f972aebba44c9d +Author: Bram Moolenaar <Bram@vim.org> +Date: Thu Feb 9 21:07:12 2017 +0100 + + patch 8.0.0322: possible overflow with corrupted spell file + + Problem: Possible overflow with spell file where the tree length is + corrupted. + Solution: Check for an invalid length (suggested by shqking) + +diff --git a/src/spell.c b/src/spell.c +index c7d87c6c7..8b1a3a633 100644 +--- a/src/spell.c ++++ b/src/spell.c +@@ -1595,6 +1595,9 @@ spell_read_tree( + len = get4c(fd); + if (len < 0) + return SP_TRUNCERROR; ++ if (len >= 0x3ffffff) ++ /* Invalid length, multiply with sizeof(int) would overflow. */ ++ return SP_FORMERROR; + if (len > 0) + { + /* Allocate the byte array. */ -- 2.4.11 --- Unsubscribe: alpine-aports+unsubscribe@lists.alpinelinux.org Help: alpine-aports+help@lists.alpinelinux.org ---