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CVE-2018-16421

Published: 4 September 2018

Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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.

Priority

Medium

Cvss 3 Severity Score

6.6

Score breakdown

Status

Package Release Status
opensc
Launchpad, Ubuntu, Debian
bionic Needed

cosmic Ignored
(end of life)
disco Not vulnerable
(0.19.0-1build1)
eoan Not vulnerable
(0.19.0-1build1)
focal Not vulnerable
(0.19.0-1build1)
groovy Not vulnerable
(0.19.0-1build1)
hirsute Not vulnerable
(0.19.0-1build1)
impish Not vulnerable
(0.19.0-1build1)
jammy Not vulnerable
(0.19.0-1build1)
kinetic Not vulnerable
(0.19.0-1build1)
lunar Not vulnerable
(0.19.0-1build1)
mantic Not vulnerable
(0.19.0-1build1)
noble Not vulnerable
(0.19.0-1build1)
trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Needed

Patches:
other: https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-848b13147a344ba2c6361d91ca77feb1

Severity score breakdown

Parameter Value
Base score 6.6
Attack vector Physical
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H