CVE-2020-19131 Memory corruption in n/a
A buffer overflow in LibTiff's tiffcrop component allows attackers to cause a denial of service via the invertImage function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-19131?
CVE-2020-19131 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 7 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "invertImage()" function in the component "tiffcrop".
Weakness: CWE-787
Which versions are affected by CVE-2020-19131?
It affects 2 products.
Linux distribution packages (13)
libtiff AlmaLinux:8 | All versions | 4.0.9-21.el8 |
libtiff-devel AlmaLinux:8 | All versions | 4.0.9-21.el8 |
libtiff-tools AlmaLinux:8 | All versions | 4.0.9-21.el8 |
libtiff Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-21.el8 |
libtiff-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-21.el8 |
libtiff-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-21.el8 |
libtiff-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-21.el8 |
libtiff-tools-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:4.0.9-21.el8 |
libtiff-debuginfo Red Hat:enterprise_linux:8::crb | All versions | 0:4.0.9-21.el8 |
libtiff-debugsource Red Hat:enterprise_linux:8::crb | All versions | 0:4.0.9-21.el8 |
libtiff-tools Red Hat:enterprise_linux:8::crb | All versions | 0:4.0.9-21.el8 |
libtiff-tools-debuginfo Red Hat:enterprise_linux:8::crb | All versions | 0:4.0.9-21.el8 |
libtiff Rocky Linux:8 | All versions | 0:4.0.9-21.el8 |
Products include Debian Debian Linux, Simplesystems Libtiff.
How do I fix CVE-2020-19131?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-19131 being exploited?
There is no known exploitation of CVE-2020-19131 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALSA-2022:1810, DEBIAN-CVE-2020-19131, GHSA-2hvg-v2h5-m85r, JLSEC-2026-481, RHSA-2022:1810, RLSA-2022:1810 and 1 more.