CVE-2018-20461 Denial of service in n/a
Attackers can cause a denial-of-service crash in radare2 by crafting a malicious binary file, affecting users analyzing untrusted binaries.
- 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-2018-20461?
CVE-2018-20461 is a medium-severity denial of service 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, core_anal_bytes in libr/core/cmd_anal.c allows attackers to cause a denial-of-service (application crash caused by out-of-bounds read) by crafting a binary file.
Weakness: CWE-125
Which versions are affected by CVE-2018-20461?
It affects 1 product.
Products include Radare Radare2.
How do I fix CVE-2018-20461?
No fix has been published for CVE-2018-20461 yet. Limit exposure of the affected software until one is available.
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-2018-20461 being exploited?
There is no known exploitation of CVE-2018-20461 in the wild and no public exploit code.
Other vulnerabilities in Radare Radare2
Sources
Also known as GHSA-h8vf-wgwm-vg6h, UBUNTU-CVE-2018-20461.