Wolfssl: >> Wolfssl >> 3.10.2 Security Vulnerabilities
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
0.001
Published
2019-01-03
wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
CVSS Score
4.7
EPSS Score
0.001
Published
2018-06-15
wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable wolfSSL application. This vulnerability is referred to as "ROBOT."
CVSS Score
7.5
EPSS Score
0.691
Published
2017-12-13
A specially crafted x509 certificate can cause a single out of bounds byte overwrite in wolfSSL through 3.10.2 resulting in potential certificate validation vulnerabilities, denial of service and possible remote code execution. In order to trigger this vulnerability, the attacker needs to supply a malicious x509 certificate to either a server or a client application using this library.
CVSS Score
8.1
EPSS Score
0.191
Published
2017-05-24
wolfSSL before 3.11.0 does not prevent wc_DhAgree from accepting a malformed DH key.
CVSS Score
7.5
EPSS Score
0.003
Published
2017-05-09
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