Wolfssl: >> Wolfssl >> 3.15.6 Security Vulnerabilities
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.
CVSS Score
9.8
EPSS Score
0.009
Published
2019-09-24
examples/benchmark/tls_bench.c in a benchmark tool in wolfSSL through 3.15.7 has a heap-based buffer overflow.
CVSS Score
9.8
EPSS Score
0.011
Published
2019-01-16
It was found that wolfssl before 3.15.7 is vulnerable to a new variant of the Bleichenbacher attack to perform downgrade attacks against TLS. This may lead to leakage of sensible data.
CVSS Score
5.9
EPSS Score
0.002
Published
2019-01-03
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