Bug 1932044 (CVE-2020-35524) - CVE-2020-35524 libtiff: Heap-based buffer overflow in TIFF2PDF tool
Summary: CVE-2020-35524 libtiff: Heap-based buffer overflow in TIFF2PDF tool
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-35524
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: 1932045 1932046 1934518 1934519 1945546 1945547
Blocks: 1932047 1932054
TreeView+ depends on / blocked
 
Reported: 2021-02-23 19:51 UTC by Pedro Sampaio
Modified: 2021-11-09 18:23 UTC (History)
7 users (show)

Fixed In Version: libtiff 4.2.0
Doc Type: If docs needed, set a value
Doc Text:
A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Clone Of:
Environment:
Last Closed: 2021-11-09 18:23:10 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:4241 0 None None None 2021-11-09 17:53:38 UTC

Description Pedro Sampaio 2021-02-23 19:51:24 UTC 
A flaw was found in libtiff 4.1.0. A heap-based buffer overflow exists in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution.

References:

https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22
https://gitlab.com/libtiff/libtiff/-/merge_requests/159
Comment 1 Pedro Sampaio 2021-02-23 19:52:01 UTC 
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1932046]


Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1932045]
Comment 2 RaTasha Tillery-Smith 2021-02-24 13:38:20 UTC 
External References:

https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22
https://gitlab.com/libtiff/libtiff/-/merge_requests/159
Comment 5 errata-xmlrpc 2021-11-09 17:53:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4241 https://access.redhat.com/errata/RHSA-2021:4241
Comment 6 Product Security DevOps Team 2021-11-09 18:23:08 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-35524
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