CVE-2017-9815
First published: Thu Jun 22 2017(Updated: )
In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in libtiff/tif_dirread.c mishandles a malloc operation, which allows attackers to cause a denial of service (memory leak within the function _TIFFmalloc in tif_unix.c) via a crafted file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TIFF | =4.0.7 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| debian/tiff | 4.2.0-1+deb11u5 4.2.0-1+deb11u6 4.5.0-6+deb12u2 4.5.0-6+deb12u1 4.7.0-3 |
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Reference Links
- http://bugzilla.maptools.org/show_bug.cgi?id=2682
- http://somevulnsofadlab.blogspot.jp/2017/06/libtiffmemory-leak-in-tiffmalloc.html
- http://www.securityfocus.com/bid/99235
- https://usn.ubuntu.com/3602-1/
- https://launchpad.net/bugs/cve/CVE-2017-9815
- https://github.com/vadz/libtiff/commit/fb3dc46a2fcf6197ff3b93fc76f0c37fddc0333b
- https://security-tracker.debian.org/tracker/CVE-2017-9815
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9815
- https://nvd.nist.gov/vuln/detail/CVE-2017-9815
- https://ubuntu.com/security/CVE-2017-9815
Frequently Asked Questions
What is the severity of CVE-2017-9815?
CVE-2017-9815 is classified with a severity that can lead to denial of service due to a memory leak.
How do I fix CVE-2017-9815?
To fix CVE-2017-9815, upgrade to tiff package versions 4.2.0-1+deb11u5, 4.2.0-1+deb11u6, 4.5.0-6+deb12u2, 4.5.0-6+deb12u1, or 4.5.1+git230720-5.
Which versions of LibTIFF are affected by CVE-2017-9815?
LibTIFF version 4.0.7 is specifically affected by CVE-2017-9815.
What type of attack does CVE-2017-9815 allow?
CVE-2017-9815 allows attackers to exploit a crafted file to cause a denial of service.
Which operating systems are impacted by CVE-2017-9815?
CVE-2017-9815 impacts Ubuntu 14.04 and 16.04 operating systems using vulnerable versions of LibTIFF.
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