CVE-2020-35523: Integer Overflow
First published: Mon Dec 14 2020(Updated: )
An integer overflow flaw was found in libtiff that exists in the tif_getimage.c file. This flaw allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libtiff | <0:4.0.9-20.el8 | 0:4.0.9-20.el8 |
| Libtiff Libtiff | <4.2.0 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| 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://www.cve.org/CVERecord?id=CVE-2020-35523 https://nvd.nist.gov/vuln/detail/CVE-2020-35523 https://gitlab.com/libtiff/libtiff/-/commit/c8d613ef497058fe653c467fc84c70a62a4a71b2 https://gitlab.com/libtiff/libtiff/-/merge_requests/160
- https://bugzilla.redhat.com/show_bug.cgi?id=1932040
- https://access.redhat.com/errata/RHSA-2021:4241
- https://access.redhat.com/security/cve/cve-2020-35523
- https://gitlab.com/libtiff/libtiff/-/commit/c8d613ef497058fe653c467fc84c70a62a4a71b2
- https://gitlab.com/libtiff/libtiff/-/merge_requests/160
- 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-2020-35523
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1932043
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1932042
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMHBYFMX3D5VGR6Y3RXTTH3Q4NF4E6IG/
- https://security-tracker.debian.org/tracker/CVE-2020-35523
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35523
- https://nvd.nist.gov/vuln/detail/CVE-2020-35523
- https://ubuntu.com/security/CVE-2020-35523
Frequently Asked Questions
What is CVE-2020-35523?
CVE-2020-35523 is an integer overflow flaw in libtiff that allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file.
What is the severity of CVE-2020-35523?
The severity of CVE-2020-35523 is high with a CVSS score of 7.8.
Which software is affected by CVE-2020-35523?
The software affected by CVE-2020-35523 includes versions 4.0.3-7ubuntu0.11+, 4.0.6-1ubuntu0.8, 4.0.9-5ubuntu0.4, 4.1.0+, 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, 4.2.0, and 4.0.9-20.el8.
How can I fix CVE-2020-35523?
To fix CVE-2020-35523, update the libtiff software to version 4.1.0 or higher.
Where can I find more information about CVE-2020-35523?
More information about CVE-2020-35523 can be found at the following references: [link1](https://bugzilla.redhat.com/show_bug.cgi?id=1932040), [link2](https://gitlab.com/libtiff/libtiff/-/commit/c8d613ef497058fe653c467fc84c70a62a4a71b2), [link3](https://gitlab.com/libtiff/libtiff/-/merge_requests/160).
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