Vulnerability Details : CVE-2018-16420

Several buffer overflows when handling responses from an ePass 2003 Card in decrypt_response in libopensc/card-epass2003.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.
Published 2018-09-04 00:29:01
Updated 2019-08-06 17:15:27
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Products affected by CVE-2018-16420

Exploit prediction scoring system (EPSS) score for CVE-2018-16420

EPSS FAQ
0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-16420

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-2018-16420

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-16420

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