VulnerabilityModified
CVE-2019-19962
wolfSSL before 4.3.0 mishandles calls to wc_SignatureGenerateHash, leading to fault injection in RSA cryptography.
HIGH 7.5EPSS 0.90%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
wolfSSL before 4.3.0 mishandles calls to wc_SignatureGenerateHash, leading to fault injection in RSA cryptography.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.90% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- wolfssl/wolfssl
- Source
- cve@mitre.org
References
- https://github.com/wolfSSL/wolfssl/commit/23878512c65834d12811b1107d19a001478eca5dPatch, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stableRelease Notes, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/commit/23878512c65834d12811b1107d19a001478eca5dPatch, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stableRelease Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.