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...

CVE-2019-3814

It was discovered that Dovecot 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. Mitigation Attack can be migitated by having the certificates with proper Extended...

USN-3881-2: Dovecot vulnerability

USN-3881-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that Dovecot incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field...

USN-3881-1: Dovecot vulnerability

It was discovered that Dovecot 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...

USN-3881-1 dovecot vulnerability

It was discovered that Dovecot 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...

UBUNTU-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...

CVE-2018-16172

Improper countermeasure against clickjacking attack in client certificates management screen was discovered in Cybozu Remote Service 3.0.0 to 3.1.8, that allows remote attackers to trick a user to delete the registered client certificate...

Input validation

Improper countermeasure against clickjacking attack in client certificates management screen was discovered in Cybozu Remote Service 3.0.0 to 3.1.8, that allows remote attackers to trick a user to delete the registered client certificate...

CVE-2018-16172

Improper countermeasure against clickjacking attack in client certificates management screen was discovered in Cybozu Remote Service 3.0.0 to 3.1.8, that allows remote attackers to trick a user to delete the registered client certificate...

AZL-79028 CVE-2018-16875 affecting package golang 1.25.7-1

The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients a...

CVE-2018-16875

The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients a...

Cybozu Remote Service Directory Traversal Vulnerability (CNVD-2019-07167)

Cybozu Remote Service is Cybozu's remote service management software for accessing Cybozu's internal systems. A directory traversal vulnerability exists in the 'client certificates registration' function in Cybozu Remote Service versions 3.0.0 through 3.1.8, which can be exploited to execute...

curl: Incorrect reuse of client certificates

It was found that the libcurl library using the NSS Network Security Services library as TLS/SSL backend incorrectly re-used client certificates for subsequent TLS connections in certain cases. An attacker could potentially use this flaw to hijack the authentication of the connection by leveragin...

F5 Networks BIG-IP : Apache vulnerability (K65355492)

Apache modules apacheauthtokenmod and modauthf5authtoken.cpp allow possible unauthenticated bruteforce on the emserverip authorization parameter to obtain which SSL client certificates used for mutual authentication between BIG-IQ or Enterprise Manager EM and managed BIG-IP devices. CVE-2018-5506...

HTTPS client certificate authentication security issues. Part 1/3

Sometimes we need to improve web authentication by client certificates. It’s much better than passwords, allows to enable 2nd factor because of hardware keys and just sounds so strong, isn’t it? ; Let’s look inside it to understand how secure is it and what to check to be sure, that you didn’t...

UBUNTU-CVE-2018-12608

An issue was discovered in Docker Moby before 17.06.0. The Docker engine validated a client TLS certificate using both the configured client CA root certificate and all system roots on non-Windows systems. This allowed a client with any domain validated certificate signed by a system-trusted root...

PT-2018-11289 · Docker · Docker Moby +1

Name of the Vulnerable Software and Affected Versions: Docker Moby versions prior to 17.06.0 Description: An issue was discovered where the Docker engine validated a client TLS certificate using both the configured client CA root certificate and all system roots on non-Windows systems. This allow...

Amazon Linux AMI : krb5 (ALAS-2018-1010)

A denial of service flaw was found in MIT Kerberos krb5kdc service. An authenticated attacker could use this flaw to cause krb5kdc to exit with an assertion failure by making an invalid S4U2Self or S4U2Proxy request.CVE-2017-11368 An authentication bypass flaw was found in the way krb5's certauth...

Debian DLA-1475-1 : tomcat-native security update

When using an OCSP responder Tomcat Native did not correctly handle invalid responses. This allowed for revoked client certificates to be incorrectly identified. It was therefore possible for users to authenticate with revoked certificates when using mutual TLS. Users not using OCSP checks are no...

CVE-2018-8019

When using an OCSP responder Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 did not correctly handle invalid responses. This allowed for revoked client certificates to be incorrectly identified. It was therefore possible for users to authenticate with revoked certificates when using...