Vulnerability Description
An issue was discovered in Arm Mbed TLS before 2.23.0. A side channel allows recovery of an ECC private key, related to mbedtls_ecp_check_pub_priv, mbedtls_pk_parse_key, mbedtls_pk_parse_keyfile, mbedtls_ecp_mul, and mbedtls_ecp_mul_restartable.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Arm | Mbed Tls | < 2.16.7 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://bugs.gentoo.org/730752Issue TrackingPatchThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7Release NotesThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlMailing ListThird Party Advisory
- https://bugs.gentoo.org/730752Issue TrackingPatchThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7Release NotesThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2020-36422?
CVE-2020-36422 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An issue was discovered in Arm Mbed TLS before 2.23.0. A side channel allows recovery of an ECC private key, related to mbedtls_ecp_check_pub_priv, mbedtls_pk_parse_key, mbedtls_pk_parse_keyfile, mbed...
How severe is CVE-2020-36422?
CVE-2020-36422 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-36422?
Check the references section above for vendor advisories and patch information. Affected products include: Arm Mbed Tls, Debian Debian Linux.