CVE-2023-33221 Heap Buffer Overflow when reading DESFire card

What is CVE-2023-33221?

CVE-2023-33221 is a medium-severity memory corruption vulnerability in IDEMIA MorphoWave Compact/XP, published on 15 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2023-33221?

It affects 8 products.

Products include Idemia Morphowave Compact Firmware, Idemia Morphowave Sp Firmware, Idemia Morphowave Xp Firmware, Idemia Sigma Extreme Firmware, Idemia Sigma Lite\+ Firmware, Idemia Sigma Lite Firmware and 2 more.

How do I fix CVE-2023-33221?

No fix has been published for CVE-2023-33221 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-33221 being exploited?

There is no known exploitation of CVE-2023-33221 in the wild and no public exploit code.

Other vulnerabilities in IDEMIA MorphoWave Compact/XP

• CVE-2023-33218 Stack Buffer Overflow in a binary run at upgrade startup Critical 9.1
• CVE-2023-33219 Stack Buffer Overflow when checking retrofit package Critical 9.1
• CVE-2023-33220 Stack Buffer Overflow when checking some attributes during retrofit Critical 9.1
• CVE-2023-4667 Stored Cross Site Scripting in webserver administration High 8.1
• CVE-2023-33217 Missing integrity check on upgrade package High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-f275-pcv5-ch9x.