One-byte Overread Vulnerability in OpenSSL's IPAddressFamily Extension Parsing

CVE-2017-3735 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:P/A:N

While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g.

Learn more about our Web Application Penetration Testing UK.