A double free when handling responses in read_file in tools/egk-tool.c (aka the eGK card tool) 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.
Published 2018-09-04 00:29:01
Updated 2019-09-11 22:15:13
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-16424

0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-16424

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
NIST
6.6
MEDIUM CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.7
5.9
NIST

CWE ids for CVE-2018-16424

  • The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-16424

Products affected by CVE-2018-16424

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