#VU23847 Buffer overflow in OpenSC - CVE-2019-19481
Published: December 30, 2019
Vulnerability identifier: #VU23847
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-19481
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
OpenSC
OpenSC
Software vendor:
OpenSC
OpenSC
Description
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing CAC certificates in libopensc/card-cac1.c. A local user can pass specially crafted certificate to the application, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.