CVE-2019-20053 Null dereference in n/a
A crafted Mach-O file causes a null pointer dereference in UPX, leading to a denial of service during unpacking.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-20053?
CVE-2019-20053 is a medium-severity vulnerability in Opensuse Backports, published on 27 Dec 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Weakness: CWE-119
Which versions are affected by CVE-2019-20053?
It affects 3 products.
Products include Opensuse Backports, Opensuse Leap, Upx Upx.
How do I fix CVE-2019-20053?
Upgrade to a fixed version.
Is CVE-2019-20053 being exploited?
There is no known exploitation of CVE-2019-20053 in the wild and no public exploit code.
Other vulnerabilities in Opensuse Backports
Sources
Also known as DEBIAN-CVE-2019-20053, GHSA-phmx-286h-jcc3, UBUNTU-CVE-2019-20053.