Buffer Overflow Vulnerability in OpenSC's pam_p11 Component for Smart Cards
CVE-2019-16058

7.5HIGH

Key Information:

Vendor

Opensc Project

Status
Opensc
Vendor
CVE Published:
6 September 2019

What is CVE-2019-16058?

A buffer overflow issue exists in the pam_p11 component of OpenSC, affecting versions 0.2.0 and 0.3.0. When a smart card generates a signature exceeding 256 bytes, particularly with RSA keys of 4096 bits, it can lead to this overflow. This vulnerability may enable unauthorized access or execution of arbitrary code, emphasizing the need for timely updates and effective mitigation strategies.

References

https://github.com/OpenSC/pam_p11/commit/d150b60e1e14c261...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2019/09/12/1
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.