Your message dated Sat, 22 Jul 2017 13:17:18 +0100
with message-id <1500725838.14212.3.ca...@adam-barratt.org.uk>
and subject line Closing bugs for 9.1 p-u fixes
has caused the Debian Bug report #866516,
regarding stretch-pu: package unrar-nonfree/1:5.3.2-1+deb9u1
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
866516: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=866516
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--- Begin Message ---
Package: release.debian.org
Severity: normal
Tags: stretch
User: release.debian....@packages.debian.org
Usertags: pu
Hi,
I'd like to fix CVE-2012-6706 in stretch, see #865461 for details.
debdiff is attached.
Cheers,
Felix
diff -Nru unrar-nonfree-5.3.2/debian/changelog
unrar-nonfree-5.3.2/debian/changelog
--- unrar-nonfree-5.3.2/debian/changelog 2015-08-10 14:58:20.000000000
+0200
+++ unrar-nonfree-5.3.2/debian/changelog 2017-06-28 00:10:20.000000000
+0200
@@ -1,3 +1,12 @@
+unrar-nonfree (1:5.3.2-1+deb9u1) stretch; urgency=medium
+
+ * Add bound checks for VMSF_DELTA, VMSF_RGB and VMSF_AUDIO paramters.
+ - Backported from 5.5.5
+ - CVE-2012-6706
+ - Closes #865461
+
+ -- Felix Geyer <fge...@debian.org> Wed, 28 Jun 2017 00:10:20 +0200
+
unrar-nonfree (1:5.3.2-1) unstable; urgency=medium
* New upstream release (Closes: #759586)
diff -Nru unrar-nonfree-5.3.2/debian/patches/CVE-2012-6706
unrar-nonfree-5.3.2/debian/patches/CVE-2012-6706
--- unrar-nonfree-5.3.2/debian/patches/CVE-2012-6706 1970-01-01
01:00:00.000000000 +0100
+++ unrar-nonfree-5.3.2/debian/patches/CVE-2012-6706 2017-06-22
20:25:06.000000000 +0200
@@ -0,0 +1,44 @@
+--- unrar-nonfree-5.3.2.org/rarvm.cpp
++++ unrar-nonfree-5.3.2/rarvm.cpp
+@@ -965,7 +965,7 @@
+ {
+ int DataSize=R[4],Channels=R[0],SrcPos=0,Border=DataSize*2;
+ SET_VALUE(false,&Mem[VM_GLOBALMEMADDR+0x20],DataSize);
+- if ((uint)DataSize>=VM_GLOBALMEMADDR/2)
++ if ((uint)DataSize>=VM_GLOBALMEMADDR/2 ||
(uint)Channels>MAX3_UNPACK_CHANNELS || Channels==0)
+ break;
+
+ // Bytes from same channels are grouped to continual data blocks,
+@@ -984,7 +984,7 @@
+ byte *SrcData=Mem,*DestData=SrcData+DataSize;
+ const int Channels=3;
+ SET_VALUE(false,&Mem[VM_GLOBALMEMADDR+0x20],DataSize);
+- if ((uint)DataSize>=VM_GLOBALMEMADDR/2 || Width<0 || PosR<0)
++ if ((uint)DataSize>=VM_GLOBALMEMADDR/2 || Width<0 || PosR<0 ||
DataSize<3 || Width>DataSize || PosR>2)
+ break;
+ for (int CurChannel=0;CurChannel<Channels;CurChannel++)
+ {
+@@ -1029,7 +1029,7 @@
+ int DataSize=R[4],Channels=R[0];
+ byte *SrcData=Mem,*DestData=SrcData+DataSize;
+ SET_VALUE(false,&Mem[VM_GLOBALMEMADDR+0x20],DataSize);
+- if ((uint)DataSize>=VM_GLOBALMEMADDR/2)
++ if ((uint)DataSize>=VM_GLOBALMEMADDR/2 || (uint)Channels>128 ||
Channels==0)
+ break;
+ for (int CurChannel=0;CurChannel<Channels;CurChannel++)
+ {
+--- unrar-nonfree-5.3.2.orig/unpack.hpp
++++ unrar-nonfree-5.3.2/unpack.hpp
+@@ -13,6 +13,12 @@
+ // from two data blocks.
+ #define MAX3_UNPACK_FILTERS 8192
+
++// Limit maximum number of channels in RAR3 delta filter to some reasonable
++// value to prevent too slow processing of corrupt archives with invalid
++// channels number. Must be equal or larger than v3_MAX_FILTER_CHANNELS.
++// No need to provide it for RAR5, which uses only 5 bits to store channels.
++#define MAX3_UNPACK_CHANNELS 1024
++
+ // Write data in 4 MB or smaller blocks. Must not exceed PACK_MAX_WRITE,
+ // so we keep number of buffered filter in unpacker reasonable.
+ #define UNPACK_MAX_WRITE 0x400000
diff -Nru unrar-nonfree-5.3.2/debian/patches/series
unrar-nonfree-5.3.2/debian/patches/series
--- unrar-nonfree-5.3.2/debian/patches/series 2013-08-15 16:56:10.000000000
+0200
+++ unrar-nonfree-5.3.2/debian/patches/series 2017-06-22 20:20:22.000000000
+0200
@@ -1 +1,2 @@
fix-buildflags
+CVE-2012-6706
--- End Message ---
--- Begin Message ---
Version: 9.1
Hi,
These bugs all relate to updates which were included in today's stretch
point release.
Regards,
Adam
--- End Message ---
