USN-5281-1: OpenSC vulnerabilities
8 June 2022
Several security issues were fixed in OpenSC.
Releases
Packages
- opensc - Smart card utilities with support for PKCS#15 compatible cards
Details
It was discovered that some OpenSC smart card drivers mishandled memory
when performing certain decoding operations. An attacker could possibly
use this issue to cause a denial of service or other unspecified impact.
This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM.
(CVE-2019-15945, CVE-2019-15946)
It was discovered that some OpenSC smart card drivers had buffer overflow
vulnerabilities. An attacker could possibly use this issue to cause a
denial of service or other unspecified impact.
(CVE-2020-26570, CVE-2020-26571, CVE-2020-26572)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
-
opensc-pkcs11
-
0.20.0-3ubuntu0.1~esm1
Available with Ubuntu Pro
-
opensc
-
0.20.0-3ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 18.04
-
opensc-pkcs11
-
0.17.0-3ubuntu0.1~esm1
Available with Ubuntu Pro
-
opensc
-
0.17.0-3ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 16.04
-
opensc-pkcs11
-
0.15.0-1ubuntu1+esm1
Available with Ubuntu Pro
-
opensc
-
0.15.0-1ubuntu1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.