Vulnerability Description
An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Arm | Mbed Tls | < 2.7.17 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://bugs.gentoo.org/740108Issue TrackingPatchThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8Release NotesThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0Release NotesThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlMailing ListThird Party Advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-Vendor Advisory
- https://bugs.gentoo.org/740108Issue TrackingPatchThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8Release NotesThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0Release NotesThird Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlMailing ListThird Party Advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-Vendor Advisory
FAQ
What is CVE-2020-36424?
CVE-2020-36424 is a vulnerability with a CVSS score of 4.7 (MEDIUM). An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding...
How severe is CVE-2020-36424?
CVE-2020-36424 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-36424?
Check the references section above for vendor advisories and patch information. Affected products include: Arm Mbed Tls, Debian Debian Linux.