CVE-2019-16058: opensc_project opensc

Vulnerability summary

CVE-2019-16058 is a high (CVSS 7.5) vulnerability in opensc_project opensc. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.3% of scored vulnerabilities.

Timeline

1. 06-09-2019
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.