What is CVE-2019-16058?

CVE-2019-16058 is a vulnerability in the pam_p11 component for OpenSC that allows for a buffer overflow when a smart card creates a signature with a length longer than 256 bytes.

How does CVE-2019-16058 affect me?

If you are using OpenSC version 0.2.0 or 0.3.0 with the pam_p11 component, and you use a smart card with RSA keys of 4096 bits or larger, this vulnerability may allow an attacker to trigger a buffer overflow.

What is the severity of CVE-2019-16058?

CVE-2019-16058 has a severity rating of 7.5 (high).

How can I fix CVE-2019-16058?

To fix CVE-2019-16058, it is recommended to update to a patched version of OpenSC that addresses the buffer overflow vulnerability.

Are there any references for CVE-2019-16058?

Yes, you can find more information about CVE-2019-16058 at [this link](http://www.openwall.com/lists/oss-security/2019/09/12/1) and [this link](https://github.com/OpenSC/pam_p11/commit/d150b60e1e14c261b113f55681419ad1dfa8a76c).

Vulnerability/
CVE-2019-16058

high

7.5

CWE

119

6/9/2019

5/8/2024

CVE-2019-16058: Buffer Overflow

First published: Fri Sep 06 2019(Updated: )

An issue was discovered in the pam_p11 component 0.2.0 and 0.3.0 for OpenSC. If a smart card creates a signature with a length longer than 256 bytes, this triggers a buffer overflow. This may be the case for RSA keys with 4096 bits depending on the signature scheme.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Opensc Project Opensc	=0.2.0
Opensc Project Opensc	=0.3.0

Remedy

https://github.com/OpenSC/pam_p11/commit/d150b60e1e14c261b113f55681419ad1dfa8a76c

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2019-16058?
CVE-2019-16058 is a vulnerability in the pam_p11 component for OpenSC that allows for a buffer overflow when a smart card creates a signature with a length longer than 256 bytes.
How does CVE-2019-16058 affect me?
If you are using OpenSC version 0.2.0 or 0.3.0 with the pam_p11 component, and you use a smart card with RSA keys of 4096 bits or larger, this vulnerability may allow an attacker to trigger a buffer overflow.
What is the severity of CVE-2019-16058?
CVE-2019-16058 has a severity rating of 7.5 (high).
How can I fix CVE-2019-16058?
To fix CVE-2019-16058, it is recommended to update to a patched version of OpenSC that addresses the buffer overflow vulnerability.
Are there any references for CVE-2019-16058?
Yes, you can find more information about CVE-2019-16058 at [this link](http://www.openwall.com/lists/oss-security/2019/09/12/1) and [this link](https://github.com/OpenSC/pam_p11/commit/d150b60e1e14c261b113f55681419ad1dfa8a76c).

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version/opensc project opensc/0.3.0

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