CVE-2020-24119 Memory corruption in n/a
A heap buffer overflow in UPX allows attackers to cause denial of service or potentially execute code via crafted 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-2020-24119?
CVE-2020-24119 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 14 May 2021. 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 heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.
Weakness: CWE-125
Which versions are affected by CVE-2020-24119?
It affects 2 products.
Linux distribution packages (4)
upx SUSE:Package Hub 15 SP2 | All versions | 3.96-bp152.2.3.1 |
upx SUSE:Package Hub 15 SP3 | All versions | 3.96-bp153.2.3.1 |
upx openSUSE:Leap 15.2 | All versions | 3.96-bp153.2.3.1 |
upx openSUSE:Leap 15.3 | All versions | 3.96-bp153.2.3.1 |
Products include Fedoraproject Fedora, Upx Upx.
How do I fix CVE-2020-24119?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-24119 being exploited?
There is no known exploitation of CVE-2020-24119 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2020-24119, GHSA-68mf-gv4w-rh82, UBUNTU-CVE-2020-24119, openSUSE-SU-2021:0813-1, openSUSE-SU-2021:0826-1.