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 Software | Affected Version | How 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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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1932044
- https://gitlab.com/libtiff/libtiff/-/merge_requests/159
- https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22
- https://lists.debian.org/debian-lts-announce/2021/06/msg00023.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/
- https://security.gentoo.org/glsa/202104-06
- https://security.netapp.com/advisory/ntap-20210521-0009/
- https://www.debian.org/security/2021/dsa-4869
- https://launchpad.net/bugs/cve/CVE-2020-35524
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1932046
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1932045
- https://access.redhat.com/errata/RHSA-2021:4241
- https://access.redhat.com/security/cve/cve-2020-35524
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/
- https://gitlab.com/libtiff/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22
- https://security-tracker.debian.org/tracker/CVE-2020-35524
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35524
- https://nvd.nist.gov/vuln/detail/CVE-2020-35524
- https://ubuntu.com/security/CVE-2020-35524
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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