[pkgsrc/trunk]: pkgsrc/archivers/p7zip p7zip: Apply a patch for CVE-2017-1796...

[nia <nia%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/c5cca628c35a
branches:  trunk
changeset: 336579:c5cca628c35a
user:      nia <nia%pkgsrc.org@localhost>
date:      Thu Jul 18 10:03:26 2019 +0000

description:
p7zip: Apply a patch for CVE-2017-17969 (out-of-bounds-write)

Bump PKGREVISION

diffstat:

 archivers/p7zip/Makefile                     |   4 ++--
 archivers/p7zip/distinfo                     |   3 ++-
 archivers/p7zip/patches/patch-CVE-2017-17969 |  23 +++++++++++++++++++++++
 3 files changed, 27 insertions(+), 3 deletions(-)

diffs (58 lines):

diff -r 0139c127c7ae -r c5cca628c35a archivers/p7zip/Makefile
--- a/archivers/p7zip/Makefile  Thu Jul 18 09:36:37 2019 +0000
+++ b/archivers/p7zip/Makefile  Thu Jul 18 10:03:26 2019 +0000
@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.66 2018/07/04 13:40:08 jperkin Exp $
+# $NetBSD: Makefile,v 1.67 2019/07/18 10:03:26 nia Exp $
 
 DISTNAME=      p7zip_16.02_src_all
 PKGNAME=       ${DISTNAME:S/_src_all//S/_/-/}
-PKGREVISION=   1
+PKGREVISION=   2
 CATEGORIES=    archivers
 MASTER_SITES=  ${MASTER_SITE_SOURCEFORGE:=p7zip/}
 EXTRACT_SUFX=  .tar.bz2
diff -r 0139c127c7ae -r c5cca628c35a archivers/p7zip/distinfo
--- a/archivers/p7zip/distinfo  Thu Jul 18 09:36:37 2019 +0000
+++ b/archivers/p7zip/distinfo  Thu Jul 18 10:03:26 2019 +0000
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.51 2016/11/30 14:29:09 sevan Exp $
+$NetBSD: distinfo,v 1.52 2019/07/18 10:03:26 nia Exp $
 
 SHA1 (p7zip_16.02_src_all.tar.bz2) = e8819907132811aa1afe5ef296181d3a15cc8f22
 RMD160 (p7zip_16.02_src_all.tar.bz2) = 03550898e45b3eabe4ea0df5ee3787bd8f179fd0
@@ -6,6 +6,7 @@
 Size (p7zip_16.02_src_all.tar.bz2) = 4239909 bytes
 SHA1 (patch-CPP_7zip_Archive_7z_7zIn.cpp) = cce409d45be6ae8e96314dad1c51d9feb09bc817
 SHA1 (patch-CPP_Windows_DLL.cpp) = 12fb3f3cf4d32b8848f741dde6bcb0e56a9c6745
+SHA1 (patch-CVE-2017-17969) = 4e22cf6640469a53030b956073924252e68f1ced
 SHA1 (patch-aa) = 9c103fa831cc6ff099e3a604c763ff416f1b48ec
 SHA1 (patch-ab) = c680fb037b9ef5e19e4c8dc71dd710598277a61b
 SHA1 (patch-ac) = 747d8ab9ba3b4069227efcfce9a4b26096e68b9b
diff -r 0139c127c7ae -r c5cca628c35a archivers/p7zip/patches/patch-CVE-2017-17969
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/archivers/p7zip/patches/patch-CVE-2017-17969      Thu Jul 18 10:03:26 2019 +0000
@@ -0,0 +1,23 @@
+$NetBSD: patch-CVE-2017-17969,v 1.1 2019/07/18 10:03:26 nia Exp $
+
+Fix CVE-2017-17969 - heap-based buffer overflow
+
+From https://sourceforge.net/p/p7zip/bugs/204/
+
+--- CPP/7zip/Compress/ShrinkDecoder.cpp.orig   2016-05-18 17:31:02.000000000 +0000
++++ CPP/7zip/Compress/ShrinkDecoder.cpp
+@@ -121,8 +121,13 @@ HRESULT CDecoder::CodeReal(ISequentialIn
+     {
+       _stack[i++] = _suffixes[cur];
+       cur = _parents[cur];
++      if (cur >= kNumItems || i >= kNumItems)
++        break;
+     }
+-    
++
++    if (cur >= kNumItems || i >= kNumItems)
++      break;
++
+     _stack[i++] = (Byte)cur;
+     lastChar2 = (Byte)cur;
+