From 3e009208bcaf7024da96781405dc4d90ae8d88f4 Mon Sep 17 00:00:00 2001
From: CentOS Sources <bugs@centos.org>
Date: Mar 29 2022 14:04:40 +0000
Subject: import aspell-0.60.6.1-22.el8


---

diff --git a/SOURCES/aspell-0.60.6.1-CVE-2019-25051.patch b/SOURCES/aspell-0.60.6.1-CVE-2019-25051.patch
new file mode 100644
index 0000000..2f15d38
--- /dev/null
+++ b/SOURCES/aspell-0.60.6.1-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/SPECS/aspell.spec b/SPECS/aspell.spec
index 207518f..d306401 100644
--- a/SPECS/aspell.spec
+++ b/SPECS/aspell.spec
@@ -1,7 +1,7 @@
 Summary: Spell checker
 Name: aspell
 Version: 0.60.6.1
-Release: 21%{?dist}
+Release: 22%{?dist}
 Epoch: 12
 # LGPLv2+ .. common/gettext.h
 # LGPLv2  .. modules/speller/default/phonet.hpp,
@@ -28,6 +28,8 @@ Patch6: aspell-0.60.6.1-aarch64.patch
 Patch7: aspell-0.60.6.1-gcc7-fixes.patch
 # resolves: #1562364
 Patch8: aspell-0.60.6.1-fix-back-on-empty-vector.patch
+# resolves: #1988497
+Patch9: aspell-0.60.6.1-CVE-2019-25051.patch
 
 BuildRequires: gcc-c++
 BuildRequires: chrpath, gettext, ncurses-devel, pkgconfig, perl-interpreter
@@ -67,6 +69,7 @@ and header files needed for Aspell development.
 %patch6 -p1 -b .aarch64
 %patch7 -p1 -b .gcc7-fixes
 %patch8 -p1 -b .back-empty-vector
+%patch9 -p1 -b .CVE-2019-25051
 iconv -f iso-8859-2 -t utf-8 < manual/aspell.info > manual/aspell.info.aux
 mv manual/aspell.info.aux manual/aspell.info
 
@@ -159,6 +162,10 @@ fi
 %{_mandir}/man1/pspell-config.1*
 
 %changelog
+* Mon Oct 11 2021 Nikola Forró <nforro@redhat.com> - 12:0.60.6.1-22
+- resolves: #1988497
+  fix CVE-2019-25051
+
 * Wed Apr 04 2018 Nikola Forró <nforro@redhat.com> - 12:0.60.6.1-21
 - resolves: #1562364
   do not call back() on an empty vector