CVE-2020-13955

CVE-2020-13955 affects Apache Calcite: HttpUtils#getURLConnection disables hostname verification for HTTPS, enabling potential MITM attacks and information leakage when Calcite adapters connect to Druid or Splunk. The issue originates from a utility method that can be used to create vulnerable HT...

GHSA-55W9-C3G2-4RRH Man-in-the-middle attack in Apache Axis

Apache Axis 1.4 and earlier, as used in PayPal Payments Pro, PayPal Mass Pay, PayPal Transactional Information SOAP, the Java Message Service implementation in Apache ActiveMQ, and other products, does not verify that the server hostname matches a domain name in the subject's Common Name CN or...

EulerOS Virtualization for ARM 64 3.0.6.0 : libsoup (EulerOS-SA-2020-2047)

According to the versions of the libsoup package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - A stack-based buffer overflow flaw was discovered within the HTTP processing of libsoup. A remote attacker could explo...

EulerOS 2.0 SP3 : cvs (EulerOS-SA-2020-2128)

According to the version of the cvs package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - CVS 1.12.x, when configured to use SSH for remote repositories, might allow remote attackers to execute arbitrary code via a repository URL with a...

systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is not sent and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname validation does not have anything to do with this issue (i.e. there is no hostname to be sent)

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Man-in-the-Middle (MitM)

twitter-stream is vulnerable to man-in-the-middle MitM. Lack of hostname validation allows an attacker to perform a man-in-the-middle attack to intercept and modify network traffic...

Inappropriate Redirect

squid3:xenial is performing inappropriate redirect. An issue was discovered when the appenddomain setting is used because the appended characters do not properly interact with hostname length restrictions. Due to incorrect message processing, it can inappropriately redirect traffic to origins it...

CVE-2020-2252

Jenkins Mailer Plugin 1.32 and earlier does not perform hostname validation when connecting to the configured SMTP server...

CloudBees Jenkins Email Extension Trust Management Issue Vulnerability

CloudBees Jenkins Hudson Labs is the United States CloudBees company a set of Java-based development of continuous integration tools . The product is mainly used to monitor the continuous software version release/testing project and some timed execution of the task . A security vulnerability exis...

CVE-2019-11777

In the Eclipse Paho Java client library version 1.2.0, when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. This could allow one MQTT server to impersonate another and provide the client library with incorrect information...

CVE-2020-2252

Jenkins Mailer Plugin 1.32 and earlier does not perform hostname validation when connecting to the configured SMTP server...

CVE-2020-2253

Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server...

Input validation

Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server...

Input validation

Jenkins Mailer Plugin 1.32 and earlier does not perform hostname validation when connecting to the configured SMTP server...

CVE-2020-2252

Jenkins Mailer Plugin 1.32 and earlier does not perform hostname validation when connecting to the configured SMTP server...

PT-2020-15476 · Jenkins · Jenkins Mailer Plugin +1

Name of the Vulnerable Software and Affected Versions: Jenkins Mailer Plugin versions 1.32 and earlier Description: The issue is related to the lack of hostname validation when connecting to the configured SMTP server. This could be exploited using a man-in-the-middle attack to intercept...

Missing hostname validation in email-ext

email-ext 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server. This lack of validation could be abused using a man-in-the-middle attack to intercept these connections. email-ext 2.76 validates the SMTP hostname when connecting via TLS by default. In...

PT-2020-15477 · Jenkins · Jenkins Email Extension Plugin +1

Name of the Vulnerable Software and Affected Versions: Jenkins Email Extension Plugin versions 2.75 and earlier Description: The issue is related to the lack of hostname validation when connecting to the configured SMTP server. This could be exploited using a man-in-the-middle attack to intercept...

Ruby: Net::SMTP with tls allows forged certificates as long as the hostname matches

I'd like to report a very odd behavior I observed in the Net::SMTP module, part of Ruby's standard library. It seems when performing a TLS connection the code checks the certificate hostname, but not the certificate signature or issuer. This of course makes little sense, as an attacker can create...

EulerOS Virtualization for ARM 64 3.0.2.0 : glib-networking (EulerOS-SA-2020-1975)

According to the version of the glib-networking package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - In GNOME glib-networking through 2.64.2, the implementation of GTlsClientConnection skips hostname verification o...