USN-4607-2: OpenJDK regressions

USN-4607-1 fixed vulnerabilities and added features in OpenJDK. Unfortunately, that update introduced a regression that could cause TLS connections with client certificate authentication to fail in some situations. This update fixes the problem. We apologize for the inconvenience. Original adviso...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : OpenJDK regressions (USN-4607-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4607-2 advisory. USN-4607-1 fixed vulnerabilities and added features in OpenJDK. Unfortunately, that update introduced a regression that could cau...

Authorization Bypass

sendmail is vulnerable to authorization bypass. The vulnerability exists as a flaw was found in the way sendmail handled NUL characters in the CommonName field of X.509 certificates. An attacker able to get a carefully-crafted certificate signed by a trusted Certificate Authority could trick...

Privilege escalation

An issue was discovered in EJBCA before 6.15.2.6 and 7.x before 7.3.1.2. An error state can be generated in the CA UI by a malicious user. This, in turn, allows exploitation of other bugs. This follow-on exploitation can lead to privilege escalation and remote code execution. This is exploitable...

Arista Networks EOS DoS (SA0039)

The version of Arista Networks EOS running on the remote device is affected by a denial of service DoS vulnerability in the client certificate authentication process, due to the crypto/x509 package in Go not limiting the amount of work performed for each chain verification. A remote,...

CVE-2019-17134

A certificate-validation error has been found in Octavia's amphora-agent, where an attacker with management-network access could bypass an amphora's client-certificate based authentication. Because the agent's HTTP server gunicorn had 'certreqs' set to 'True' instead of 'ssl.CERTREQUIRED',...

CVE-2019-17134

Amphora Images in OpenStack Octavia =0.10.0 =3.0.0 =4.0.0 4.1.0 allows anyone with access to the management network to bypass client-certificate based authentication and retrieve information or issue configuration commands via simple HTTP requests to the Agent on port https/9443, because the...

etcd: Improper Authentication in auth/store.go:AuthInfoFromTLS() via gRPC-gateway

Etcd, versions 3.2.0 through 3.2.25 and 3.3.0 through 3.3.10, are vulnerable to an improper authentication issue when role-based access control RBAC is used and client-cert-auth is enabled. If an etcd client server's TLS certificate contains a Common Name CN which matches a valid RBAC username, a...

SUSE SLES15 Security Update : dovecot23 (SUSE-SU-2019:0414-1)

This update for dovecot23 fixes the following issues : dovecot was updated to 2.3.3 release, bringing lots of bugfixes bsc1124356. Also the following security issue was fixed : CVE-2019-3814: A vulnerability in Dovecot related to SSL client certificate authentication was fixed bsc1123022 The...

UBUNTU-CVE-2018-16886

etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control RBAC is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name CN which matches a valid RBAC username, a remot...

GHSA-3JQ8-JG75-RQV6 Cleartext Transmission of Sensitive Information in Apache nifi

The template upload API endpoint accepted requests from different domain when sent in conjunction with ARP spoofing + man in the middle MiTM attack, resulting in a CSRF attack. The required attack vector is complex, requiring a scenario with client certificate authentication, same subnet access,...

CVE-2018-17195

The template upload API endpoint accepted requests from different domain when sent in conjunction with ARP spoofing + man in the middle MiTM attack, resulting in a CSRF attack. The required attack vector is complex, requiring a scenario with client certificate authentication, same subnet access,...

CVE-2018-17195

The template upload API endpoint accepted requests from different domain when sent in conjunction with ARP spoofing + man in the middle MiTM attack, resulting in a CSRF attack. The required attack vector is complex, requiring a scenario with client certificate authentication, same subnet access,...

Certificate Based Authentication on Gateway Insight

With Client Authentication enabled on an SSL virtual server, the NetScaler appliance asks for the Client Certificate during the SSL handshake. The appliance checks the certificate presented by the client for normal constraints, such as the issuer signature and expiration date. Here are some use...

F5 Networks BIG-IP : BIG-IP Client SSL vulnerability (K43121447)

Attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client certificate authentication is not enabled by...

Xenmobile MAM enrollment fails-configuration does not support client certificate for authentication

Client certificate authentication is being used for MAM. Enrollment of new devices is failing MAM but successful for MDM. Secure Hub logs: ,ERROR 2,-X1MDMEnrollFlowController createSecureSessionblockinvoke,"Cert based setups are not supported for XME shared device, so we are blocking the...

openSUSE Security Update : curl (openSUSE-2018-589)

This update for curl to version 7.60.0 fixes the following issues : These security issues were fixed : - CVE-2018-1000300: Prevent heap-based buffer overflow when closing down an FTP connection with very long server command replies bsc1092094. - CVE-2018-1000301: Prevent buffer over-read that cou...

Authentication flaw

On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client...

CVE-2018-5502

On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client...

CVE-2018-5502

Summary (CVE-2018-5502) Affected product: F5 BIG-IP (LTM, etc.) with Client SSL profile handling client certificates. What’s vulnerable: BIG-IP virtual servers using a Client SSL profile that enables client certificate authentication. The vulnerability, stemming from how the system handles crafte...