CVE-2016-9532: Integer Overflow
First published: Wed Nov 23 2016(Updated: )
Integer overflow in the writeBufferToSeparateStrips function in tiffcrop.c in LibTIFF before 4.0.7 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted tif file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/tiff | 4.1.0+git191117-2~deb10u4 4.1.0+git191117-2~deb10u8 4.2.0-1+deb11u4 4.5.0-6 4.5.1+git230720-1 | |
| tiff | <=4.0.6 | |
| Debian | =8.0 |
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Reference Links
- http://bugzilla.maptools.org/show_bug.cgi?id=2592
- http://seclists.org/oss-sec/2016/q4/487
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1397781
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1397782
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1397783
- https://github.com/vadz/libtiff/commit/21d39de1002a5e69caa0574b2cc05d795d6fbfad
- https://bugzilla.redhat.com/show_bug.cgi?id=1397726
- https://www.openwall.com/lists/oss-security/2016/11/11/14
- https://security-tracker.debian.org/tracker/CVE-2016-9532
- http://www.debian.org/security/2017/dsa-3762
- http://www.openwall.com/lists/oss-security/2016/11/11/14
- http://www.openwall.com/lists/oss-security/2016/11/21/1
- http://www.openwall.com/lists/oss-security/2016/11/22/1
- http://www.securityfocus.com/bid/94424
- https://security.gentoo.org/glsa/201701-16
Frequently Asked Questions
What is the severity of CVE-2016-9532?
CVE-2016-9532 is classified as a denial of service vulnerability due to integer overflow leading to out-of-bounds reads.
How do I fix CVE-2016-9532?
To fix CVE-2016-9532, you should upgrade to LibTIFF version 4.0.7 or later.
What software is affected by CVE-2016-9532?
CVE-2016-9532 affects versions of LibTIFF prior to 4.0.7, including the tiff package on Debian systems.
Can CVE-2016-9532 be exploited remotely?
Yes, CVE-2016-9532 can be exploited remotely by attackers using crafted tif files.
What functions are involved in CVE-2016-9532?
The vulnerability lies in the writeBufferToSeparateStrips and writeBufferToContigTiles functions in tiffcrop.c.
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