Unprotected OSSEC/Wazuh ossec-authd (authd Protocol)

The remote OSSEC/Wazuh ossec-authd service is not protected by password authentication or client certificate verification. SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

CVE-2019-3814

It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users...

PT-2019-3931 · Apache +3 · Apache Http Server +3

Name of the Vulnerable Software and Affected Versions: Apache HTTP Server versions 2.4.37 through 2.4.38 Description: The issue is related to a flaw in the mod ssl component of the Apache HTTP Server, specifically concerning inadequate access control. This flaw can be exploited by a remote attack...

Apache Httpd < 2.4.39 : mod_ssl access control bypass

In Apache HTTP Server 2.4 releases 2.4.37 and 2.4.38, a bug in modssl when using per-location client certificate verification with TLSv1.3 allowed a client supporting Post-Handshake Authentication to bypass configured access control restrictions...

PT-2019-12209 · Kubernetes +1 · Kubernetes +1

Name of the Vulnerable Software and Affected Versions: Kubernetes versions 1.12.0 through 1.12.4 Kubernetes version 1.13.0 Description: The issue concerns the rest.AnonymousClientConfig method, which is supposed to return a copy of the provided config with credentials removed. However, in the...

mail/dovecot -- Suitable client certificate can be used to login as other user

Aki Tuomi Open-Xchange Oy reports: Normally Dovecot is configured to authenticate imap/pop3/managesieve/submission clients using regular username/password combination. Some installations have also required clients to present a trusted SSL certificate on top of that. It's also possible to configur...

TLS Session Resumption Client Certificate Bypass

libcurl.so is vulnerable to TLS session resumption client certificate bypass attacks. The vulnerability exists in Curlclonesslconfig of lib/vtls/vtls.c where libcurl.so does not prevent the TLS session resumption if the client certificate has been replaced...

etcd 3.2.x, 3.3.x Authentication Vulnerability

etcd is vulnerable to an improper authentication issue when role-based access control RBAC is used and client-cert-auth is enabled. SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

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...

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...

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...

CVE-2018-16172

CVE-2018-16172 affects Cybozu Remote Service (versions 3.0.0–3.1.8). The issue is an improper countermeasure against clickjacking on the client certificates management screen, which could allow a remote attacker to trick a user into deleting the user’s registered client certificate. Impact descri...

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...

Cybozu Remote Service Clickjacking Vulnerability

Cybozu Remote Service is Cybozu's remote service management software for accessing Cybozu's internal systems. A security vulnerability exists in the client certificates management page in Cybozu Remote Service versions 3.0.0 through 3.1.8. The vulnerability can be exploited to trick users into...

PT-2018-2974 · Coreos +2 · Etcd +2

Name of the Vulnerable Software and Affected Versions: etcd versions 3.2.x through 3.2.25 etcd versions 3.3.x through 3.3.10 Description: The issue concerns an improper authentication problem when role-based access control RBAC is used and client-cert-auth is enabled. If an etcd client server TLS...

curl: Re-using connection with wrong client cert

It was found that the libcurl library did not check the client certificate when choosing the TLS connection to reuse. An attacker could potentially use this flaw to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate...

curl: TLS session resumption client cert bypass

It was found that the libcurl library did not prevent TLS session resumption when the client certificate had changed. An attacker could potentially use this flaw to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate...