CVE-2019-20051 Denial of service in n/a
A floating-point exception in UPX causes application crashes, leading to denial of service when processing malicious ELF files.
- 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-2019-20051?
CVE-2019-20051 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, 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
A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application crash, which leads to denial of service.
Weakness: CWE-682
Which versions are affected by CVE-2019-20051?
It affects 2 products.
Products include Fedoraproject Fedora, Upx Upx.
How do I fix CVE-2019-20051?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-20051 being exploited?
There is no known exploitation of CVE-2019-20051 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2019-20051, GHSA-4pmq-77vh-vh7v, UBUNTU-CVE-2019-20051.