7.8
CWE
119 787
Advisory Published
CVE Published
Updated

CVE-2020-35524: Buffer Overflow

First published: Tue Feb 23 2021(Updated: )

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: <a href="https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22">https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22</a> <a href="https://gitlab.com/libtiff/libtiff/-/merge_requests/159">https://gitlab.com/libtiff/libtiff/-/merge_requests/159</a>

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Libtiff Libtiff<4.2.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=33
NetApp ONTAP Select Deploy administration utility
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
redhat/libtiff<4.2.0
4.2.0
debian/tiff
4.2.0-1+deb11u5
4.5.0-6+deb12u1
4.5.1+git230720-5

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2020-35524.

  • What is the severity of CVE-2020-35524?

    The severity of CVE-2020-35524 is medium.

  • What software is affected by CVE-2020-35524?

    The software affected by CVE-2020-35524 is libtiff version up to 4.0.9-5ubuntu0.4, 4.1.0+, 4.0.3-7ubuntu0.11+, 4.0.6-1ubuntu0.8, 4.1.0+git191117-2~deb10u4, 4.1.0+git191117-2~deb10u8, 4.2.0-1+deb11u4, 4.5.0-6, and 4.5.1+git230720-1.

  • What is the remedy for CVE-2020-35524?

    The remedy for CVE-2020-35524 depends on the software version: - For libtiff 4.0.9-5ubuntu0.4, the remedy is exactly version 4.0.9-5ubuntu0.4. - For libtiff 4.1.0+ and 4.1.0+git191117-2~deb10u4, the remedy is exactly version 4.1.0+. - For libtiff 4.0.3-7ubuntu0.11+, the remedy is exactly version 4.0.3-7ubuntu0.11+. - For libtiff 4.0.6-1ubuntu0.8, the remedy is exactly version 4.0.6-1ubuntu0.8. - For libtiff 4.2.0-1+deb11u4, the remedy is exactly version 4.2.0-1+deb11u4. - For libtiff 4.5.0-6 and 4.5.1+git230720-1, the remedy is exactly version 4.5.0-6 or higher.

  • What are the references for CVE-2020-35524?

    The references for CVE-2020-35524 are: - https://bugzilla.redhat.com/show_bug.cgi?id=1932044 - https://gitlab.com/libtiff/libtiff/-/merge_requests/159 - https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22

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