New Unpatched Horde Webmail Bug Lets Hackers Take Over Server by Sending Email

A new unpatched security vulnerability has been disclosed in the open-source Horde Webmail client that could be exploited to achieve remote code execution on the email server simply by sending a specially crafted email to a victim. "Once the email is viewed, the attacker can silently take over th...

GHSA-M462-MQW4-2C8M Mattermost Server has X.509 Improper Certificate Validation

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. The X.509 certificate validation can be skipped for a TLS-based e-mail server...

Mattermost Server has X.509 Improper Certificate Validation

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. The X.509 certificate validation can be skipped for a TLS-based e-mail server...

CVE-2022-27925

Zimbra Collaboration aka ZCS 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. An authenticated user with administrator rights has the ability to upload arbitrary files to the system, leading to directory traversal. Recent assessments: rbowes-r7 a...

CVE-2022-24732

CVE-2022-24732 affects Maddy Mail Server prior to 0.5.4, where PAM authentication does not enforce password expiry or account expiry checks. The root cause is missing expiry validation during PAM auth, enabling continued access for expired accounts unless manually filtered. The public description...

CVE-2022-24732 Maddy Mail Server does not implement account expiry

Maddy Mail Server is an open source SMTP compatible email server. Versions of maddy prior to 0.5.4 do not implement password expiry or account expiry checking when authenticating using PAM. Users are advised to upgrade. Users unable to upgrade should manually remove expired accounts via existing...

CVE-2022-24732 Maddy Mail Server does not implement account expiry

Maddy Mail Server is an open source SMTP compatible email server. Versions of maddy prior to 0.5.4 do not implement password expiry or account expiry checking when authenticating using PAM. Users are advised to upgrade. Users unable to upgrade should manually remove expired accounts via existing...

New Bug Could Let Attackers Hijack Zimbra Server by Sending Malicious Email

Cybersecurity researchers have discovered multiple security vulnerabilities in Zimbra email collaboration software that could be potentially exploited to compromise email accounts by sending a malicious message and even achieve a full takeover of the mail server when hosted on a cloud...

Dovecot: Multiple vulnerabilities

Background Dovecot is an open source IMAP and POP3 email server. Description Multiple vulnerabilities have been discovered in Dovecot. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details. Workaround There is no known...

USN-4993-1: Dovecot vulnerabilities

Kirin discovered that Dovecot incorrectly escaped kid and azp fields in JWT tokens. A local attacker could possibly use this issue to validate tokens using arbitrary keys. This issue only affected Ubuntu 20.10 and Ubuntu 21.04. CVE-2021-29157 Fabian Ising and Damian Poddebniak discovered that...

CVE-2021-31855

KDE Messagelib through 5.17.0 reveals cleartext of encrypted messages in some situations. Deleting an attachment of a decrypted encrypted message stored on a remote server e.g., an IMAP server causes KMail to upload the decrypted content of the message to the remote server. With a crafted message...

CVE-2021-31855

KDE Messagelib through 5.17.0 reveals cleartext of encrypted messages in some situations. Deleting an attachment of a decrypted encrypted message stored on a remote server e.g., an IMAP server causes KMail to upload the decrypted content of the message to the remote server. With a crafted message...

MGASA-2021-0208 Updated messagelib packages fix security vulnerability

Deleting an attachment of a decrypted encrypted message stored on a remote server e.g. an IMAP server causes KMail to upload the decrypted content of the message to the remote server. This is not easily noticeable by the user because KMail does not display the decrypted content. With a specially...

Security Bulletin: Resilient OnPrem is affected by the use of hard-code credentials in its internal email server

Summary Security Bulletin: Resilient OnPrem is affected by the use of hard-code credentials in its internal email server Vulnerability Details Summary Resilient OnPrem has removed the use of hard-coded credentials. Vulnerability Details CVEID: CVE-2019-4534 DESCRIPTION: IBM Resilient OnPrem...

Dovecot: Multiple vulnerabilities

Background Dovecot is an open source IMAP and POP3 email server. Description Multiple vulnerabilities have been discovered in Dovecot. Please review the CVE identifiers referenced below for details. Impact A remote attacker could send a specially crafted mail or send a specially crafted IMAP...

SolarWinds Hackers Also Accessed U.S. Justice Department's Email Server

The U.S. Department of Justice on Wednesday became the latest government agency in the country to admit its internal network was compromised as part of the SolarWinds supply chain attack. "On December 24, 2020, the Department of Justice's Office of the Chief Information Officer OCIO learned of...

Debian DSA-4825-1 : dovecot - security update

Several vulnerabilities have been discovered in the Dovecot email server. - CVE-2020-24386 When imap hibernation is active, an attacker with valid credentials to access the mail server can cause Dovecot to discover file system directory structures and access other users' emails via specially...

[SECURITY] [DSA 4825-1] dovecot security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4825-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso January 04, 2021 https://www.debian.org/security/faq -...

USN-4674-1: Dovecot vulnerabilities

It was discovered that Dovecot incorrectly handled certain imap hibernation commands. A remote authenticated attacker could possibly use this issue to access other users' email. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. CVE-2020-24386 Innokentii Sennovskiy...

Microsoft Outlook Denial of Service Vulnerability

A denial of service vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could cause a remote denial of service against a system. Exploitation of the vulnerability requires that a...