CVE-2018-20455 Memory corruption in n/a
Attackers can cause a denial of service via stack-based buffer overflow in radare2 by crafting a malicious input file.
- 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
- None listed
What is CVE-2018-20455?
CVE-2018-20455 is a medium-severity memory corruption vulnerability in Radare Radare2, published on 25 Dec 2018. 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
In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash via a stack-based buffer overflow) by crafting an input file, a related issue to CVE-2018-20456.
Weakness: CWE-787
Which versions are affected by CVE-2018-20455?
It affects 1 product.
Products include Radare Radare2.
How do I fix CVE-2018-20455?
No fix has been published for CVE-2018-20455 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-2018-20455 being exploited?
There is no known exploitation of CVE-2018-20455 in the wild and no public exploit code.
Other vulnerabilities in Radare Radare2
Sources
Also known as GHSA-4gxh-j76f-ghg6, UBUNTU-CVE-2018-20455.