CVE-2021-33881
Summary
| CVE | CVE-2021-33881 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-06-06 16:15:00 UTC |
| Updated | 2021-06-17 16:39:00 UTC |
| Description | On NXP MIFARE Ultralight and NTAG cards, an attacker can interrupt a write operation (aka conduct a "tear off" attack) over RFID to bypass a Monotonic Counter protection mechanism. The impact depends on how the anti tear-off feature is used in specific applications such as public transportation, physical access control, etc. |
Risk And Classification
Problem Types: CWE-863
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Nxp | Mifare Ultralight C | - | All | All | All |
| Operating System | Nxp | Mifare Ultralight C Firmware | - | All | All | All |
| Hardware | Nxp | Mifare Ultralight Ev1 | - | All | All | All |
| Operating System | Nxp | Mifare Ultralight Ev1 Firmware | - | All | All | All |
| Hardware | Nxp | Mifare Ultralight Nano | - | All | All | All |
| Operating System | Nxp | Mifare Ultralight Nano Firmware | - | All | All | All |
| Hardware | Nxp | Ntag 210 | - | All | All | All |
| Operating System | Nxp | Ntag 210 Firmware | - | All | All | All |
| Hardware | Nxp | Ntag 212 | - | All | All | All |
| Operating System | Nxp | Ntag 212 Firmware | - | All | All | All |
| Hardware | Nxp | Ntag 213 | - | All | All | All |
| Operating System | Nxp | Ntag 213 Firmware | - | All | All | All |
| Hardware | Nxp | Ntag 215 | - | All | All | All |
| Operating System | Nxp | Ntag 215 Firmware | - | All | All | All |
| Hardware | Nxp | Ntag 216 | - | All | All | All |
| Operating System | Nxp | Ntag 216 Firmware | - | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.nxp.com/docs/en/application-note/AN11340.pdf | MISC | www.nxp.com | |
| RFID: Monotonic Counter Anti-Tearing Defeated | MISC | blog.quarkslab.com | |
| www.nxp.com/docs/en/application-note/AN13089.pdf | MISC | www.nxp.com | |
| SSTIC2021 » Présentation » EEPROM: It Will All End in Tears - Christian Herrmann, Philippe Teuwen | MISC | www.sstic.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.