REDHAT-BUG-1559704: Buffer Overflow
First published: Fri Mar 23 2018(Updated: )
LibTIFF since version 3.9.0 is vulnerable to a heap-based buffer overflow in the tif_lzw.c:LZWDecodeCompat() function. An attacker could exploit this to cause a denial of service via crafted TIF file. Upstream Issue: <a href="http://bugzilla.maptools.org/show_bug.cgi?id=2780">http://bugzilla.maptools.org/show_bug.cgi?id=2780</a> Additional References: <a href="https://github.com/halfbitteam/POCs/tree/master/libtiff-4.08_tiff2ps_heap_overflow">https://github.com/halfbitteam/POCs/tree/master/libtiff-4.08_tiff2ps_heap_overflow</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libtiff | >=3.9.0 |
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Reference Links
- http://bugzilla.maptools.org/show_bug.cgi?id=2780
- https://github.com/halfbitteam/POCs/tree/master/libtiff-4.08_tiff2ps_heap_overflow
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1559705
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1559706
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1559707
- https://gitlab.com/libtiff/libtiff/commit/58a898cb4459055bb488ca815c23b880c242a27d
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1559704#c9
- https://gitlab.com/libtiff/libtiff/commit/
- https://access.redhat.com/errata/RHSA-2019:2053
- https://access.redhat.com/security/cve/cve-2018-8905
- https://bugzilla.redhat.com/show_bug.cgi?id=1559704
Frequently Asked Questions
What is the severity of REDHAT-BUG-1559704?
The severity of REDHAT-BUG-1559704 is significant due to the potential for remote denial of service attacks via crafted TIF files.
How do I fix REDHAT-BUG-1559704?
To fix REDHAT-BUG-1559704, you should update to a patched version of LibTIFF that addresses the heap-based buffer overflow vulnerability.
Which versions of LibTIFF are affected by REDHAT-BUG-1559704?
LibTIFF versions 3.9.0 and later are affected by REDHAT-BUG-1559704.
What type of vulnerability is REDHAT-BUG-1559704?
REDHAT-BUG-1559704 is a heap-based buffer overflow vulnerability located in the tif_lzw.c:LZWDecodeCompat() function.
Can REDHAT-BUG-1559704 be exploited remotely?
Yes, REDHAT-BUG-1559704 can potentially be exploited remotely through specially crafted TIF files.
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- alias/CVE-2018-8905
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