CVEvulnerability
CVE-2020-36424
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-07-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 1.9 LOW — AV:L/AC:M/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-203
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.
Affected configurations
• arm mbed tls (< 2.7.17)
• arm mbed tls (>= 2.8.0 < 2.16.8)
• arm mbed tls (>= 2.17.0 < 2.24.0)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- https://bugs.gentoo.org/740108 Issue Tracking, Patch, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8 Release Notes, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0 Release Notes, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17 Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2 Vendor Advisory
- https://bugs.gentoo.org/740108 Issue Tracking, Patch, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8 Release Notes, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0 Release Notes, Third Party Advisory
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17 Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2 Vendor Advisory