[pkgsrc/trunk]: pkgsrc/multimedia/ffmpeg Add patch to fix ffmpeg remote syste...

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

details:   https://anonhg.NetBSD.org/pkgsrc/rev/895f529e6077
branches:  trunk
changeset: 546428:895f529e6077
user:      tonnerre <tonnerre%pkgsrc.org@localhost>
date:      Mon Sep 01 00:00:10 2008 +0000

description:
Add patch to fix ffmpeg remote system access vulnerability (CVE-2008-3162).

diffstat:

 multimedia/ffmpeg/Makefile         |   4 +-
 multimedia/ffmpeg/distinfo         |   3 +-
 multimedia/ffmpeg/patches/patch-al |  52 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+), 3 deletions(-)

diffs (86 lines):

diff -r a8a4f9f452ef -r 895f529e6077 multimedia/ffmpeg/Makefile
--- a/multimedia/ffmpeg/Makefile        Sun Aug 31 23:35:25 2008 +0000
+++ b/multimedia/ffmpeg/Makefile        Mon Sep 01 00:00:10 2008 +0000
@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.35 2008/01/22 22:51:45 jdc Exp $
+# $NetBSD: Makefile,v 1.36 2008/09/01 00:00:10 tonnerre Exp $
 
 DISTNAME=      ffmpeg-0.4.9-pre1
 PKGNAME=       ffmpeg-0.4.9pre1
-PKGREVISION=   3
+PKGREVISION=   4
 CATEGORIES=    multimedia
 MASTER_SITES=  ${MASTER_SITE_SOURCEFORGE:=ffmpeg/}
 
diff -r a8a4f9f452ef -r 895f529e6077 multimedia/ffmpeg/distinfo
--- a/multimedia/ffmpeg/distinfo        Sun Aug 31 23:35:25 2008 +0000
+++ b/multimedia/ffmpeg/distinfo        Mon Sep 01 00:00:10 2008 +0000
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.14 2007/12/22 00:05:25 joerg Exp $
+$NetBSD: distinfo,v 1.15 2008/09/01 00:00:10 tonnerre Exp $
 
 SHA1 (ffmpeg-0.4.9-pre1.tar.gz) = aad00445137520bec19e56bcb042e75a10c53bb3
 RMD160 (ffmpeg-0.4.9-pre1.tar.gz) = fd682846f97ada32951af7844e185c42783189a4
@@ -14,5 +14,6 @@
 SHA1 (patch-ai) = fe1bbecd05f2eef812650efa83223a3b6417ed6a
 SHA1 (patch-aj) = b998fdc2b3cc5f6efd2fb4f12fbb630d5832004b
 SHA1 (patch-ak) = 564d7d55372281909f70c63c6a72eb7d97afd99d
+SHA1 (patch-al) = d418bf4af796f1e3b829ceab19ddde94a0ca8ec4
 SHA1 (patch-an) = 3e2327f2a30571daf82edd67128c63845819224e
 SHA1 (patch-ao) = f1e8f504a951ab02d70aae083862414b32d8b55a
diff -r a8a4f9f452ef -r 895f529e6077 multimedia/ffmpeg/patches/patch-al
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/multimedia/ffmpeg/patches/patch-al        Mon Sep 01 00:00:10 2008 +0000
@@ -0,0 +1,52 @@
+$NetBSD: patch-al,v 1.1 2008/09/01 00:00:10 tonnerre Exp $
+
+--- libavformat/psxstr.c.orig  2004-06-19 05:59:34.000000000 +0200
++++ libavformat/psxstr.c
+@@ -273,12 +273,21 @@ static int str_read_packet(AVFormatConte
+                 int current_sector = LE_16(&sector[0x1C]);
+                 int sector_count   = LE_16(&sector[0x1E]);
+                 int frame_size = LE_32(&sector[0x24]);
+-                int bytes_to_copy;
++                
++              if(!(   frame_size>=0
++                   && current_sector < sector_count
++                   && sector_count*VIDEO_DATA_CHUNK_SIZE >=frame_size)){
++                  av_log(s, AV_LOG_ERROR, "Invalid parameters %d %d %d\n", current_sector, sector_count, frame_size);
++                  return AVERROR_INVALIDDATA;
++              }
+ //        printf("%d %d %d\n",current_sector,sector_count,frame_size);
+                 /* if this is the first sector of the frame, allocate a pkt */
+                 pkt = &str->tmp_pkt;
+-                if (current_sector == 0) {
+-                    if (av_new_packet(pkt, frame_size))
++                if (pkt->size != sector_count*VIDEO_DATA_CHUNK_SIZE){
++                  if(pkt->data)
++                      av_log(s, AV_LOG_ERROR, "missmatching sector_count\n");
++                  av_free_packet(pkt);
++                    if (av_new_packet(pkt, sector_count*VIDEO_DATA_CHUNK_SIZE))
+                         return AVERROR_IO;
+ 
+                     pkt->stream_index = 
+@@ -291,15 +300,15 @@ static int str_read_packet(AVFormatConte
+                        str->pts += (90000 / 15);
+                 }
+ 
+-                /* load all the constituent chunks in the video packet */
+-                bytes_to_copy = frame_size - current_sector*VIDEO_DATA_CHUNK_SIZE;
+-                if (bytes_to_copy>0) {
+-                    if (bytes_to_copy>VIDEO_DATA_CHUNK_SIZE) bytes_to_copy=VIDEO_DATA_CHUNK_SIZE;
+-                    memcpy(pkt->data + current_sector*VIDEO_DATA_CHUNK_SIZE,
+-                        sector + VIDEO_DATA_HEADER_SIZE, bytes_to_copy);
+-                }
++                memcpy(pkt->data + current_sector*VIDEO_DATA_CHUNK_SIZE,
++                        sector + VIDEO_DATA_HEADER_SIZE,
++                      VIDEO_DATA_CHUNK_SIZE);
++
+                 if (current_sector == sector_count-1) {
++                  pkt->size= frame_size;
+                     *ret_pkt = *pkt;
++                  pkt->data= NULL;
++                  pkt->size= -1;
+                     return 0;
+                 }
+