CVE-2020-35524
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.9% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.9% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Modified
Affected
- Libtiff < 4.2.0
- Debian Linux 9.0
- 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
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-35524.md and follow it. Check whether this project is affected by CVE-2020-35524. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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://bugzilla.redhat.com/show_bug.cgi?id=1932044
- https://gitlab.com/libtiff/libtiff/-/merge_requests/159
- https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22
References
- 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%40lists.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://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%40lists.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