CVE-2024-8443: opensc_project opensc Heap-based Buffer Overflow

Vulnerability summary

CVE-2024-8443 is a low (CVSS 2.9) Heap-based Buffer Overflow vulnerability in opensc_project opensc. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.6% of scored vulnerabilities.

Timeline

1. 10-09-2024
   PublishedVulnerability first disclosed.
2. 30-06-2026
   Last modifiedVulnerability information updated.

Description

A heap-based buffer overflow vulnerability was found in the libopensc OpenPGP driver. A crafted USB device or smart card with malicious responses to the APDUs during the card enrollment process using the `pkcs15-init` tool may lead to out-of-bound rights, possibly resulting in arbitrary code execution.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.