CVE-2019-19481: Buffer Overflow

Published Dec 1, 2019
·
Updated

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.

Affected Software

18 affected componentsFixes available
Opensc Project Opensc=0.19.0
Opensc Project Opensc=0.20.0-rc1
Opensc Project Opensc=0.20.0-rc2
Opensc Project Opensc=0.20.0-rc3
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0
alpine/opensc<0.20.0-r0
0.20.0-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade alpine/opensc to a version that resolves this vulnerability.

    Fixed in 0.20.0-r0

Event History

Dec 1, 2019
CVE Published
via MITRE·10:37 PM
Data Sourced
via MITRE·10:37 PM
Description
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·11:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2019-19481?

CVE-2019-19481 is a vulnerability discovered in OpenSC through versions 0.19.0 and 0.20.x through 0.20.0-rc3. It mishandles buffer limits for CAC certificates in the libopensc/card-cac1.c file.

2

How severe is CVE-2019-19481?

CVE-2019-19481 has a severity level of 4.6, which is considered medium severity.

3

Which software versions are affected by CVE-2019-19481?

Versions 0.19.0, 0.20.0-rc1, 0.20.0-rc2, and 0.20.0-rc3 of OpenSC are affected by CVE-2019-19481.

4

How can I fix CVE-2019-19481?

To fix CVE-2019-19481, users should update to the latest version of OpenSC available.

5

Where can I find more information about CVE-2019-19481?

More information about CVE-2019-19481 can be found at the following references: [1] [2] [3].

Contact

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