CVE-2018-16419

Severity: medium (CVSS 6.6 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-09-04 · updated 2026-06-17
Weakness: CWE-119

Description

Several buffer overflows when handling responses from a Cryptoflex card in read_public_key in tools/cryptoflex-tool.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.

Affected products

OpenSC: through 0.18.0

References

https://access.redhat.com/errata/RHSA-2019:2154
https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-a6074523a9cbd875e26c58e20868fb15
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/
https://access.redhat.com/errata/RHSA-2019:2154
https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-a6074523a9cbd875e26c58e20868fb15
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/

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