CVE-2018-16426 Denial of service in n/a
Attackers with crafted smartcards can cause endless recursion in OpenSC, leading to application hangs or crashes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-16426?
CVE-2018-16426 is a medium-severity denial of service vulnerability in Opensc Project Opensc, published on 4 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Endless recursion when handling responses from an IAS-ECC card in iasecc_select_file in libopensc/card-iasecc.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to hang or crash the opensc library using programs.
Weakness: CWE-674
Which versions are affected by CVE-2018-16426?
It affects 1 product.
Products include Opensc Project Opensc.
How do I fix CVE-2018-16426?
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-2018-16426 being exploited?
There is no known exploitation of CVE-2018-16426 in the wild and no public exploit code.
Other vulnerabilities in Opensc Project Opensc
Sources
Also known as DEBIAN-CVE-2018-16426, GHSA-38x5-6rjp-vc28, UBUNTU-CVE-2018-16426.