Buffer overflow in Idemia Morphowave Compact

CVE-2023-33221

When reading DesFire keys, the function that reads the card isn't properly checking the boundaries when copying internally the data received. This allows a heap based buffer overflow that could lead to a potential Remote Code Execution on the targeted device. This is especially problematic if you use Default DESFire key.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (60.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-33221?
CVE-2023-33221 is a medium-severity vulnerability in Idemia Morphowave Compact, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2023-12-15.
How severe is CVE-2023-33221?
Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2023-33221 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.