CVE-2019-19271

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries installed by a system administrator, can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to...

Null pointer dereference

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer a variable initialized to NULL leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup...

CVE-2019-19272

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer a variable initialized to NULL leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup...

Code injection

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries installed by a system administrator, can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to...

UBUNTU-CVE-2019-19271

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries installed by a system administrator, can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to...

UBUNTU-CVE-2019-19272

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer a variable initialized to NULL leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup...

Code injection

An issue was discovered in tlsverifycrl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry checking twice for subject, rather than once for subject and once for issuer prevents some valid CRLs from being taken into account, and can allow clients whose certificate...

CVE-2019-19270

An issue was discovered in tlsverifycrl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry checking twice for subject, rather than once for subject and once for issuer prevents some valid CRLs from being taken into account, and can allow clients whose certificate...

UBUNTU-CVE-2019-19270

An issue was discovered in tlsverifycrl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry checking twice for subject, rather than once for subject and once for issuer prevents some valid CRLs from being taken into account, and can allow clients whose certificate...

CVE-2019-19269

An issue was discovered in tlsverifycrl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL skX509REVOKEDvalue function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the...

CVE-2019-19269

CVE-2019-19269 — ProFTPD TLS CRL validation NULL-deref . The issue occurs in tls_verify_crl where a NULL pointer may be dereferenced during client certificate validation in a mutual TLS setup, caused by OpenSSL sk_X509_REVOKED_value() returning a NULL for an empty CRL. Affected product is ProFTPD...

CVE-2019-19269

An issue was discovered in tlsverifycrl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL skX509REVOKEDvalue function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the...

CVE-2019-19270

An issue was discovered in tlsverifycrl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry checking twice for subject, rather than once for subject and once for issuer prevents some valid CRLs from being taken into account, and can allow clients whose certificate...

CVE-2019-19270

An issue was discovered in tlsverifycrl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry checking twice for subject, rather than once for subject and once for issuer prevents some valid CRLs from being taken into account, and can allow clients whose certificate...

CVE-2019-19270

ProFTPD TLS CRL check flaw: tls_verify_crl in ProFTPD up to 1.3.6b does not properly verify CRL entry fields, potentially allowing revoked certificates to connect. OpenSUSE/Fedora advisories fix CVE-2019-19270 by updating ProFTPD to 1.3.6b (and later) and related patches in 1.3.6/1.3.6a/b. Applie...

CVE-2019-19271

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries installed by a system administrator, can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to...

CVE-2019-19271

CVE-2019-19271 affects ProFTPD, where the tls_verify_crl check in versions before 1.3.6 uses a wrong iteration variable when comparing a client certificate against CRL entries. This can cause certain CRL entries to be ignored, potentially allowing clients with revoked certificates to establish a ...

CVE-2019-19271

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries installed by a system administrator, can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to...

CVE-2019-19272

CVE-2019-19272 affects ProFTPD before 1.3.6. The issue is a NULL pointer dereference in tls_verify_crl during TLS mutual-auth validation, causing a crash (availability impact). The root cause is direct dereference of a NULL pointer in certificate validation. Affected versions are ProFTPD prior to...

CVE-2019-19272

An issue was discovered in tlsverifycrl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer a variable initialized to NULL leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup...