Double free error in OpenSC - CVE-2018-16424
Published: September 5, 2018 / Updated: September 7, 2018
Vulnerability identifier: #VU14699
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2018-16424
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to boundary error when the read_file() function, as defined in the src/tools/egk-tool.c source code file, is used. A remote attacker can supply a specially crafted smart card, trigger a double-free memory error and cause the service to crash.
Affected software
OpenSC
opensc (Alpine package)
opensc
Opensuse
Fedora
opensc (Alpine package)
opensc
Opensuse
Fedora
How to mitigate CVE-2018-16424
Update to version 0.19.0-rc1.
OpenSC - update to 0.19.0 rc1
opensc (Alpine package) - update to 0.19.0-r0
opensc - addressed in versions 0.19.0-1.fc28, 0.19.0-1.fc29
opensc (Alpine package) - update to 0.19.0-r0
opensc - addressed in versions 0.19.0-1.fc28, 0.19.0-1.fc29