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.
Metrics
Affected Vendors & Products
Advisories
Source | ID | Title |
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EUVD-2019-5541 | 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. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
Link | Providers |
---|---|
https://www.wolfssl.com/docs/security-vulnerabilities/ |
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History
No history.

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-05T00:12:43.367Z
Reserved: 2019-07-27T00:00:00
Link: CVE-2019-14317

No data.

Status : Modified
Published: 2019-12-11T18:16:18.880
Modified: 2024-11-21T04:26:28.923
Link: CVE-2019-14317

No data.

No data.