CVE-2018-20502 Denial of service in n/a
Attackers can cause denial of service via excessive memory allocation in the Bento4 library when processing specific media atoms.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-20502?
CVE-2018-20502 is a medium-severity denial of service vulnerability in Axiosys Bento4, published on 26 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation in the AP4_DataBuffer class when called from AP4_HvccAtom::Create in Core/Ap4HvccAtom.cpp.
Weakness: CWE-400
Which versions are affected by CVE-2018-20502?
It affects 1 product.
Products include Axiosys Bento4.
How do I fix CVE-2018-20502?
No fix has been published for CVE-2018-20502 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-2018-20502 being exploited?
There is no known exploitation of CVE-2018-20502 in the wild and no public exploit code.
Other vulnerabilities in Axiosys Bento4
Sources
Also known as GHSA-5966-596h-6mf4, UBUNTU-CVE-2018-20502.