CVE-2019-14317
Vulnerability from cvelistv5
Published
2019-12-11 17:30
Modified
2024-08-05 00:12
Severity ?
EPSS score ?
Summary
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.
References
▼ | URL | Tags | |
---|---|---|---|
cve@mitre.org | https://www.wolfssl.com/docs/security-vulnerabilities/ | Patch, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.wolfssl.com/docs/security-vulnerabilities/ | Patch, Vendor Advisory |
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.