Is CVE-2019-14317 in the CISA KEV catalog?

No. CVE-2019-14317 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-14317?

CVE-2019-14317 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-14317?

CVE-2019-14317 has an EPSS score of 1.75% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-14317?

Upgrade wolfssl on debian 11 to 4.2.0+dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2019-14317

MEDIUMEPSS 75th pctl

5.3

CVSS v3

NVD

Description

wolfSSL and wolfCrypt 4.1.0 and earlier (formerly known as CyaSSL) generate biased DSA nonces. This allows a remote attacker to compute the long term private key from several hundred DSA signatures via a lattice attack. The issue occurs because dsa.c fixes two bits of the generated nonces.

CWE-331

How to fix

Remediation Available

wolfsslDebian

Fixed in:4.2.0+dfsg-1CVE-2019-14317

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

1.75%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch1

wolfssl.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.