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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2019-19963 |
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. Published: December 24, 2019; 7:15:10 PM -0500 |
V4.0:(not available) V3.1: 5.3 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2019-19962 |
wolfSSL before 4.3.0 mishandles calls to wc_SignatureGenerateHash, leading to fault injection in RSA cryptography. Published: December 24, 2019; 7:15:10 PM -0500 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2019-19960 |
In wolfSSL before 4.3.0, wc_ecc_mulmod_ex does not properly resist side-channel attacks. Published: December 24, 2019; 7:15:10 PM -0500 |
V4.0:(not available) V3.1: 5.3 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2019-14317 |
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. Published: December 11, 2019; 1:16:18 PM -0500 |
V4.0:(not available) V3.1: 5.3 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2019-13628 |
wolfSSL and wolfCrypt 4.0.0 and earlier (when configured without --enable-fpecc, --enable-sp, or --enable-sp-math) contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about the nonces used and potentially mount a lattice attack to recover the private key used. The issue occurs because ecc.c scalar multiplication might leak the bit length. Published: October 03, 2019; 10:15:11 AM -0400 |
V4.0:(not available) V3.1: 4.7 MEDIUM V2.0: 1.2 LOW |
CVE-2019-16748 |
In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer over-read in CheckCertSignature_ex in wolfcrypt/src/asn.c. Published: September 24, 2019; 9:15:10 AM -0400 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0: 7.5 HIGH |