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CVE-2020-36424
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Low
- Base Score
- 1.9/10
- Exploit Score
- 3.4/10
- Access Vector
- Local
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- Partial
- Availability Impact
- None
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 4.7/10
- Exploit Score
- 1/10
- Access Vector
- Local
- Access Complexity
- High
- Privileges Required
- Low
- Impact Score
- 3.6/10
- Confidentiality Impact
- High
- Availability Impact
- None
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* |
Yes
|
- | 2.7.17 | |
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* |
Yes
|
2.8.0 | 2.16.8 | |
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* |
Yes
|
2.17.0 | 2.24.0 | |
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17
- https://bugs.gentoo.org/740108
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html