Vulnerability identifier: #VU66142
Vulnerability risk: Low
CVSSv3.1: 1.8 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
OpenSC
Universal components / Libraries /
Libraries used by multiple products
Vendor: OpenSC
Description
The vulnerability allows an attacker with physical access to perform a denial of service attack.
The vulnerability exists due to a use-after-free error in Opensc in sc_file_valid. An attacker with physical access can trigger use-after-free to perform a denial of service attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
OpenSC: 0.2.0 - 0.21.0 rc2
External links
http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843
http://bugzilla.redhat.com/show_bug.cgi?id=2016086
http://github.com/OpenSC/OpenSC/commit/1db88374
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.