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CVE-2019-19962

Good to know:

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Date: December 24, 2019

wolfSSL before 4.3.0 mishandles calls to wc_SignatureGenerateHash, leading to fault injection in RSA cryptography.

Language: C

Severity Score

Related Resources (5)

https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stable
https://github.com/wolfSSL/wolfssl/commit/23878512c65834d12811b1107d19a001478eca5d
https://nvd.nist.gov/vuln/detail/CVE-2019-19962
https://security-tracker.debian.org/tracker/CVE-2019-19962
https://www.mend.io/vulnerability-database/CVE-2019-19962

Severity Score

Weakness Type (CWE)

Improper Verification of Cryptographic Signature

CWE-347

Use of a Broken or Risky Cryptographic Algorithm

CWE-327

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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