CVE-2020-18773 Memory corruption in n/a
Attackers can cause a denial of service via a crafted TIFF file due to invalid memory access in the Exiv2 library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-18773?
CVE-2020-18773 is a medium-severity memory corruption vulnerability in Exiv2 Exiv2, published on 23 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
Weakness: CWE-787
Which versions are affected by CVE-2020-18773?
It affects 1 product.
Products include Exiv2 Exiv2.
How do I fix CVE-2020-18773?
No fix has been published for CVE-2020-18773 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-18773 being exploited?
There is no known exploitation of CVE-2020-18773 in the wild and no public exploit code.
Other vulnerabilities in Exiv2 Exiv2
Sources
Also known as DEBIAN-CVE-2020-18773, GHSA-v3cf-r46q-8rgm, UBUNTU-CVE-2020-18773.