Bug 51207

Summary:	tiff: Multiple issues (4.3)
Product:	UCS	Reporter:	Quality Assurance <qa>
Component:	Security updates	Assignee:	Quality Assurance <qa>
Status:	CLOSED FIXED	QA Contact:	Erik Damrose <damrose>
Severity:	normal
Priority:	P3
Version:	UCS 4.3
Target Milestone:	UCS 4.3-5-errata
Hardware:	All
OS:	Linux
What kind of report is it?:	Security Issue	What type of bug is this?:	---
Who will be affected by this bug?:	---	How will those affected feel about the bug?:	---
User Pain:		Enterprise Customer affected?:
School Customer affected?:		ISV affected?:
Waiting Support:		Flags outvoted (downgraded) after PO Review:
Ticket number:		Bug group (optional):
Max CVSS v3 score:	8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Description Quality Assurance

2020-05-04 09:15:41 CEST

New Debian tiff 4.0.8-2+deb9u5 fixes:
This update addresses the following issues:
* Heap-based buffer overflow in the cpSeparateBufToContigBuf function  resulting in a denial of service or possibly code execution  (CVE-2018-12900)
* NULL pointer dereference in function _TIFFmemcmp at tif_unix.c  (CVE-2018-17000)
* Integer overflow in multiply_ms in tools/ppm2tiff.c (CVE-2018-17100)
* NULL pointer dereference in TIFFWriteDirectorySec function in  tif_dirwrite.c (CVE-2018-19210)
* integer overflow in libtiff/tif_dirwrite.c resulting in an invalid pointer  dereference (CVE-2019-7663)
* integer overflow in _TIFFCheckMalloc and _TIFFCheckRealloc in tif_aux.c  (CVE-2019-14973)
* integer overflow leading to heap-based buffer overflow in tif_getimage.c  (CVE-2019-17546)

Comment 1 Quality Assurance

2020-05-04 10:00:16 CEST

--- mirror/ftp/4.3/unmaintained/4.3-3/source/tiff_4.0.8-2+deb9u4.dsc
+++ apt/ucs_4.3-0-errata4.3-5/source/tiff_4.0.8-2+deb9u5.dsc
@@ -1,3 +1,19 @@
+4.0.8-2+deb9u5 [Fri, 17 Apr 2020 16:28:49 +0000] Laszlo Boszormenyi (GCS) <gcs@debian.org>:
+
+  * Backport security fixes:
+    - CVE-2018-12900, heap-based buffer overflow in cpSeparateBufToContigBuf(),
+    - CVE-2018-17000, NULL pointer dereference in _TIFFmemcmp(),
+    - CVE-2018-17100, int32 overflow in multiply_ms(),
+    - CVE-2018-19210, NULL pointer dereference in TIFFWriteDirectorySec(),
+    - CVE-2019-14973, _TIFFCheckMalloc() and _TIFFCheckRealloc() mishandle
+      Integer Overflow checks,
+    - CVE-2019-17546, integer overflow that potentially causes a heap-based
+      buffer overflow,
+    - CVE-2019-7663, Invalid Address dereference in
+      TIFFWriteDirectoryTagTransfer() .
+  * Add required _TIFFCastUInt64ToSSize@LIBTIFF_4.0 and
+    _TIFFMultiplySSize@LIBTIFF_4.0 symbols to the libtiff5 package.
+
 4.0.8-2+deb9u4 [Thu, 29 Nov 2018 20:45:11 +0100] Moritz Mühlenhoff <jmm@debian.org>:
 
   * CVE-2018-5784 (Closes: #890441)

<http://10.200.17.11/4.3-5/#5459938673779862056>

Comment 2 Erik Damrose

2020-05-05 17:55:29 CEST

OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[4.3-5] 12ffdf7d99 Bug #51207: tiff 4.0.8-2+deb9u5
 doc/errata/staging/tiff.yaml | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

Comment 3 Erik Damrose

2020-05-06 14:52:32 CEST

<http://errata.software-univention.de/ucs/4.3/674.html>