CVE-2019-19963
MEDIUM
5.3
CVSS Score
Published: December 24, 2019 at 11:03 PM UTC
Updated: June 17, 2026 at 02:27 AM UTC
1 product affected across 1 vendorwolfSSL
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Severity
MEDIUM5.3
Exploit prediction
EPSS 1.0%
Description
An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration where DSA is enabled. DSA signing uses the BEEA algorithm during modular inversion of the nonce, leading to a side-channel attack against the nonce.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stableCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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