openfortivpn Certificate Validation Mishandling Vulnerability (CNVD-2020-14761)

openfortivpn is a client for PPP+SSL VPN tunneling services. A certificate validation mishandling vulnerability exists in openfortivpn 1.11.0. The vulnerability stems from hostname checking being performed on uninitialized memory. An attacker can exploit this vulnerability to cause a valid...

openfortivpn Certificate Validation Mishandling Vulnerability

openfortivpn is a client program for PPP Point-to-Point Protocol + SSL Transport Layer Security Protocol VPN tunneling service. A security vulnerability exists in openfortivpn version 1.11.0 using OpenSSL versions prior to 1.0.2, which stems from a failure to take into account the '' character wh...

CVE-2020-9433

opensslx509checkemail in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses luapushboolean for certain non-boolean return values...

CVE-2020-9433

opensslx509checkemail in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses luapushboolean for certain non-boolean return values...

CVE-2020-9432

opensslx509checkhost in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses luapushboolean for certain non-boolean return values...

Input validation

opensslx509checkemail in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses luapushboolean for certain non-boolean return values...

CVE-2020-9434

opensslx509checkipasc in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses luapushboolean for certain non-boolean return values...

CVE-2020-9432

opensslx509checkhost in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses luapushboolean for certain non-boolean return values...

CVE-2020-9433

CVE-2020-9433 affects lua-openssl 0.7.7-1, where openssl_x509_check_email mishandles X.509 certificate validation because it uses lua_pushboolean for non-boolean return values. This is the stated root cause; no explicit remediation is provided in the documents. Affected/related entries in the con...

CVE-2020-9434

The CVE-2020-9434 issue affects lua-openssl 0.7.7-1, where openssl_x509_check_ip_asc mishandles X.509 certificate validation by returning non-boolean values through lua_pushboolean. Root cause: a mismatch in return type handling during certificate validation, leading to incorrect validation resul...

CVE-2020-9434

opensslx509checkipasc in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses luapushboolean for certain non-boolean return values...

CVE-2020-7043

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack...

DEBIAN-CVE-2020-7043

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack...

CVE-2020-7043

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack...

DEBIAN-CVE-2020-7041

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because an X509checkhost negative error code is interpreted as a successful return value...

CVE-2020-7041

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because an X509checkhost negative error code is interpreted as a successful return value...

CVE-2020-7042

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because the hostname check operates on uninitialized memory. The outcome is that a valid certificate is never accepted only a malformed certificate may be accepted...

CVE-2020-7041

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because an X509checkhost negative error code is interpreted as a successful return value...

CVE-2020-7042

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because the hostname check operates on uninitialized memory. The outcome is that a valid certificate is never accepted only a malformed certificate may be accepted...

DEBIAN-CVE-2020-7042

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because the hostname check operates on uninitialized memory. The outcome is that a valid certificate is never accepted only a malformed certificate may be accepted...