#VU16737 Double-free error in OpenSC - CVE-2018-16423
Published: December 27, 2018
Vulnerability identifier: #VU16737
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-16423
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
OpenSC
OpenSC
Software vendor:
OpenSC
OpenSC
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to double-free error when handling responses from a smartcard in sc_file_set_sec_attr in libopensc/sc.c. A remote unauthenticated attacker can supply specially crafted smartcards, trigger memory corruption and cause the application to crash.
Remediation
Update to version 0.19.0-rc1.