Vulnerability Details : CVE-2018-16418
A buffer overflow when handling string concatenation in util_acl_to_str in tools/util.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.
Vulnerability category: OverflowDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-16418
Probability of exploitation activity in the next 30 days: 0.11%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 44 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-16418
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2018-16418
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-16418
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https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
[SECURITY] [DLA 1916-1] opensc security update
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https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-628c8445c4e7ae92bbc4be08ba11a4c3
fixed out of bounds writes · OpenSC/OpenSC@360e95d · GitHubPatch;Third Party Advisory
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https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
Release OpenSC-0.19.0-rc1 · OpenSC/OpenSC · GitHubRelease Notes;Patch;Third Party Advisory
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https://access.redhat.com/errata/RHSA-2019:2154
RHSA-2019:2154 - Security Advisory - Red Hat Customer Portal
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https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/
Advisory X41-2018-002: Multiple Vulnerabilities in OpenSC | X41 D-SEC GmbHExploit;Third Party Advisory
Products affected by CVE-2018-16418
- cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*