What is the severity of CVE-2020-19143?

CVE-2020-19143 is classified with a medium severity due to its potential to cause a denial of service.

How do I fix CVE-2020-19143?

To fix CVE-2020-19143, upgrade to a patched version of LibTiff, such as 4.1.0+git191117-2~deb10u4 or later.

Which versions of LibTiff are affected by CVE-2020-19143?

LibTiff version 4.0.10 is directly affected by CVE-2020-19143.

Can CVE-2020-19143 lead to data loss?

CVE-2020-19143 primarily leads to a denial of service rather than directly causing data loss.

Is CVE-2020-19143 easy to exploit?

Exploitation of CVE-2020-19143 may require specific conditions in the input TIFF files, making it a target for deliberate attacks.

Vulnerability/
CVE-2020-19143

medium

6.5

CWE

119 787

9/9/2021

4/8/2024

CVE-2020-19143: Buffer Overflow

First published: Thu Sep 09 2021(Updated: )

Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.

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
simplesystems LibTiff	=4.0.10
Debian Debian Linux	=11.0

Remedy

https://gitlab.com/libtiff/libtiff/-/issues/158

Remedy

https://gitlab.com/libtiff/libtiff/-/merge_requests/119

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2020-19143?
CVE-2020-19143 is classified with a medium severity due to its potential to cause a denial of service.
How do I fix CVE-2020-19143?
To fix CVE-2020-19143, upgrade to a patched version of LibTiff, such as 4.1.0+git191117-2~deb10u4 or later.
Which versions of LibTiff are affected by CVE-2020-19143?
LibTiff version 4.0.10 is directly affected by CVE-2020-19143.
Can CVE-2020-19143 lead to data loss?
CVE-2020-19143 primarily leads to a denial of service rather than directly causing data loss.
Is CVE-2020-19143 easy to exploit?
Exploitation of CVE-2020-19143 may require specific conditions in the input TIFF files, making it a target for deliberate attacks.

collector/security-tracker-debian
agent/type
agent/remedy
collector/mitre-cve
source/MITRE
agent/references
agent/author
agent/severity
agent/weakness
agent/last-modified-date
agent/description
agent/event
agent/first-publish-date
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
package-manager/debian
vendor/simplesystems
canonical/simplesystems libtiff
version/simplesystems libtiff/4.0.10
vendor/debian
canonical/debian debian linux
version/debian debian linux/11.0

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Frequently Asked Questions

What is the severity of CVE-2020-19143?
CVE-2020-19143 is classified with a medium severity due to its potential to cause a denial of service.
How do I fix CVE-2020-19143?
To fix CVE-2020-19143, upgrade to a patched version of LibTiff, such as 4.1.0+git191117-2~deb10u4 or later.
Which versions of LibTiff are affected by CVE-2020-19143?
LibTiff version 4.0.10 is directly affected by CVE-2020-19143.
Can CVE-2020-19143 lead to data loss?
CVE-2020-19143 primarily leads to a denial of service rather than directly causing data loss.
Is CVE-2020-19143 easy to exploit?
Exploitation of CVE-2020-19143 may require specific conditions in the input TIFF files, making it a target for deliberate attacks.