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CVE-2020-26571

Published: 6 October 2020

The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
opensc
Launchpad, Ubuntu, Debian
bionic
Released (0.17.0-3ubuntu0.1~esm1)
Available with Ubuntu Pro
focal
Released (0.20.0-3ubuntu0.1~esm1)
Available with Ubuntu Pro
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Not vulnerable
(0.21.0-1)
jammy Not vulnerable
(0.21.0-1)
kinetic Not vulnerable
(0.21.0-1)
lunar Not vulnerable
(0.21.0-1)
mantic Not vulnerable
(0.21.0-1)
noble Not vulnerable
(0.21.0-1)
trusty Does not exist

upstream Needs triage

xenial
Released (0.15.0-1ubuntu1+esm1)
Available with Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H