diff options
author | davidovski <david@davidovski.xyz> | 2022-06-03 13:05:13 +0100 |
---|---|---|
committer | davidovski <david@davidovski.xyz> | 2022-06-03 13:05:13 +0100 |
commit | 66c326b6d65388e9f1003715ad9675505f01f9d2 (patch) | |
tree | 40d7355cccfa3464902cf339a563e744c28a7101 /repo/aspell | |
parent | fccdaa986f67f820df2914bef851d5fed77abac8 (diff) |
added porting from alpine linux
Diffstat (limited to 'repo/aspell')
-rw-r--r-- | repo/aspell/CVE-2019-25051.patch | 96 | ||||
-rw-r--r-- | repo/aspell/aspell.xibuild | 36 |
2 files changed, 132 insertions, 0 deletions
diff --git a/repo/aspell/CVE-2019-25051.patch b/repo/aspell/CVE-2019-25051.patch new file mode 100644 index 0000000..2f15d38 --- /dev/null +++ b/repo/aspell/CVE-2019-25051.patch @@ -0,0 +1,96 @@ +From 0718b375425aad8e54e1150313b862e4c6fd324a Mon Sep 17 00:00:00 2001 +From: Kevin Atkinson <kevina@gnu.org> +Date: Sat, 21 Dec 2019 20:32:47 +0000 +Subject: [PATCH] objstack: assert that the alloc size will fit within a chunk + to prevent a buffer overflow + +Bug found using OSS-Fuze. +--- + common/objstack.hpp | 18 ++++++++++++++---- + 1 file changed, 14 insertions(+), 4 deletions(-) + +diff --git a/common/objstack.hpp b/common/objstack.hpp +index 3997bf7..bd97ccd 100644 +--- a/common/objstack.hpp ++++ b/common/objstack.hpp +@@ -5,6 +5,7 @@ + #include "parm_string.hpp" + #include <stdlib.h> + #include <assert.h> ++#include <stddef.h> + + namespace acommon { + +@@ -26,6 +27,12 @@ class ObjStack + byte * temp_end; + void setup_chunk(); + void new_chunk(); ++ bool will_overflow(size_t sz) const { ++ return offsetof(Node,data) + sz > chunk_size; ++ } ++ void check_size(size_t sz) { ++ assert(!will_overflow(sz)); ++ } + + ObjStack(const ObjStack &); + void operator=(const ObjStack &); +@@ -56,7 +63,7 @@ class ObjStack + void * alloc_bottom(size_t size) { + byte * tmp = bottom; + bottom += size; +- if (bottom > top) {new_chunk(); tmp = bottom; bottom += size;} ++ if (bottom > top) {check_size(size); new_chunk(); tmp = bottom; bottom += size;} + return tmp; + } + // This alloc_bottom will insure that the object is aligned based on the +@@ -66,7 +73,7 @@ class ObjStack + align_bottom(align); + byte * tmp = bottom; + bottom += size; +- if (bottom > top) {new_chunk(); goto loop;} ++ if (bottom > top) {check_size(size); new_chunk(); goto loop;} + return tmp; + } + char * dup_bottom(ParmString str) { +@@ -79,7 +86,7 @@ class ObjStack + // always be aligned as such. + void * alloc_top(size_t size) { + top -= size; +- if (top < bottom) {new_chunk(); top -= size;} ++ if (top < bottom) {check_size(size); new_chunk(); top -= size;} + return top; + } + // This alloc_top will insure that the object is aligned based on +@@ -88,7 +95,7 @@ class ObjStack + {loop: + top -= size; + align_top(align); +- if (top < bottom) {new_chunk(); goto loop;} ++ if (top < bottom) {check_size(size); new_chunk(); goto loop;} + return top; + } + char * dup_top(ParmString str) { +@@ -117,6 +124,7 @@ class ObjStack + void * alloc_temp(size_t size) { + temp_end = bottom + size; + if (temp_end > top) { ++ check_size(size); + new_chunk(); + temp_end = bottom + size; + } +@@ -131,6 +139,7 @@ class ObjStack + } else { + size_t s = temp_end - bottom; + byte * p = bottom; ++ check_size(size); + new_chunk(); + memcpy(bottom, p, s); + temp_end = bottom + size; +@@ -150,6 +159,7 @@ class ObjStack + } else { + size_t s = temp_end - bottom; + byte * p = bottom; ++ check_size(size); + new_chunk(); + memcpy(bottom, p, s); + temp_end = bottom + size; diff --git a/repo/aspell/aspell.xibuild b/repo/aspell/aspell.xibuild new file mode 100644 index 0000000..174b779 --- /dev/null +++ b/repo/aspell/aspell.xibuild @@ -0,0 +1,36 @@ +#!/bin/sh + +NAME="aspell" +DESC="A spell checker designed to eventually replace Ispell" + +MAKEDEPS=" ncurses perl gettext" + +PKG_VER=0.60.8 +SOURCE="https://ftp.gnu.org/gnu/aspell/aspell-$PKG_VER.tar.gz" + +ADDITIONAL=" +CVE-2019-25051.patch +" + +prepare() { + apply_patches +} + +build() { + LDFLAGS="-lintl" \ + ./configure \ + --prefix=/usr \ + --sysconfdir=/etc \ + --enable-dict-dir=/usr/share/aspell \ + --enable-pkgdatadir=/usr/share/aspell \ + --enable-compile-in-filters + make +} + +check() { + make check +} + +package() { + make DESTDIR="$PKG_DEST" install +} |