#VU32032 Double Free in OpenSC - CVE-2018-16425
Published: September 4, 2018 / Updated: July 28, 2020
Vulnerability identifier: #VU32032
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-16425
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
OpenSC
OpenSC
Software vendor:
OpenSC
OpenSC
Description
The vulnerability allows a local authenticated user to execute arbitrary code.
A double free when handling responses from an HSM Card in sc_pkcs15emu_sc_hsm_init in libopensc/pkcs15-sc-hsm.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
Remediation
Install update from vendor's website.
External links
- https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-d643a0fa169471dbf2912f4866dc49c5
- https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
- https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
- https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/