CVEvulnerability
CVE-2020-36476
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-08-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-212
Description
An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS). There is missing zeroization of plaintext buffers in mbedtls_ssl_read to erase unused application data from memory.
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 9.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-212 Improper Removal of Sensitive Information Before Storage or Transfer weakness
References
- 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/2021/11/msg00021.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, 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/2021/11/msg00021.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html Mailing List, Third Party Advisory