Bug 1469725 (CVE-2017-9935) - CVE-2017-9935 libtiff: Heap-based buffer overflow in t2p_write_pdf function
Summary: CVE-2017-9935 libtiff: Heap-based buffer overflow in t2p_write_pdf function
Status: NEW
Alias: CVE-2017-9935
Product: Security Response
Classification: Other
Component: vulnerability   
(Show other bugs)
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Whiteboard: impact=moderate,public=20170711,repor...
Keywords: Security
Depends On: 1469735 1469736 1469734
TreeView+ depends on / blocked
Reported: 2017-07-11 18:08 UTC by Pedro Sampaio
Modified: 2018-10-18 17:59 UTC (History)
5 users (show)

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Description Pedro Sampaio 2017-07-11 18:08:31 UTC
In LibTIFF 4.0.8, there is a heap-based buffer overflow in the
t2p_write_pdf function in tools/tiff2pdf.c. This heap overflow could
lead to different damages. For example, a crafted TIFF document can
lead to an out-of-bounds read in TIFFCleanup, an invalid free in
TIFFClose or t2p_free, memory corruption in t2p_readwrite_pdf_image, or
a double free in t2p_free. Given these possibilities, it probably could
cause arbitrary code execution.

Upstream bug:


Comment 1 Pedro Sampaio 2017-07-11 18:28:41 UTC
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1469734]

Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1469735]
Affects: fedora-all [bug 1469736]

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