Bug 1325095 (CVE-2016-3632) - CVE-2016-3632 libtiff: out-of-bounds write in _TIFFVGetField function
Summary: CVE-2016-3632 libtiff: out-of-bounds write in _TIFFVGetField function
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-3632
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1299920 1299921 1335098 1335099
Blocks: 1316881
TreeView+ depends on / blocked
 
Reported: 2016-04-08 08:30 UTC by Andrej Nemec
Modified: 2019-09-29 13:46 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-08-24 08:35:06 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:1546 0 normal SHIPPED_LIVE Important: libtiff security update 2016-08-02 20:59:03 UTC
Red Hat Product Errata RHSA-2016:1547 0 normal SHIPPED_LIVE Important: libtiff security update 2016-08-02 20:39:45 UTC

Description Andrej Nemec 2016-04-08 08:30:39 UTC 
Out-of-bounds write vulnerability was found in _TIFFVGetField function in tif_dirinfo.c, allowing attacker to cause a denial of service or command execution via a crafted TIFF image.

Vulnerable code:

libtiff/tif_dir.c:1073
1068          if (fip->field_type == TIFF_ASCII
1069              || fip->field_readcount == TIFF_VARIABLE
1070              || fip->field_readcount == TIFF_VARIABLE2
1071              || fip->field_readcount == TIFF_SPP
1072              || tv->count > 1) {
1073                 *va_arg(ap, void **) = tv->value;
1074                 ret_val = 1;


Public via:

http://seclists.org/oss-sec/2016/q2/33

Upstream bug:
http://bugzilla.maptools.org/show_bug.cgi?id=2549
Comment 4 errata-xmlrpc 2016-08-02 16:41:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2016:1547 https://rhn.redhat.com/errata/RHSA-2016-1547.html
Comment 5 errata-xmlrpc 2016-08-02 17:01:13 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:1546 https://rhn.redhat.com/errata/RHSA-2016-1546.html
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