Debian Security Bug TrackerDEBIANCVE:CVE-2019-19963CVE-2019-19963
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.001 Low
EPSS
Percentile
31.1%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | wolfssl | < 4.3.0+dfsg-1 | wolfssl_4.3.0+dfsg-1_all.deb |
| Debian | 11 | all | wolfssl | < 4.3.0+dfsg-1 | wolfssl_4.3.0+dfsg-1_all.deb |
| Debian | 999 | all | wolfssl | < 4.3.0+dfsg-1 | wolfssl_4.3.0+dfsg-1_all.deb |
| Debian | 13 | all | wolfssl | < 4.3.0+dfsg-1 | wolfssl_4.3.0+dfsg-1_all.deb |
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.001 Low
EPSS
Percentile
31.1%