CVE-2023-24032

In Zimbra Collaboration Suite through 9.0 and 8.8.15, an attacker who has initial user access to a Zimbra server instance can execute commands as root by passing one of JVM arguments, leading to local privilege escalation LPE...

CVE-2023-24032

In Zimbra Collaboration Suite through 9.0 and 8.8.15, an attacker who has initial user access to a Zimbra server instance can execute commands as root by passing one of JVM arguments, leading to local privilege escalation LPE...

Ransomware review: June 2023

This article is based on research by Marcelo Rivero, Malwarebytes' ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim didn't pay a ransom. This provides the best overall picture of...

Vulnerabilities fixed in Zimbra Collaboration Suite

Zimbra has fixed vulnerabilities in the Zimbra Collaboration Suite ZCS. A malicious party can exploit the vulnerabilities to perform attacks that could result in the following categories of damage: Cross-Site Scripting XSS Denial-of-Service DoS. Bypassing authentication Bypassing security measure...

The vulnerability of the corporate email management system Zimbra Collaboration Suite arises from the lack of measures taken to protect the website structure. This allows attackers to carry out XSS attacks.

The vulnerability of the Zimbra Collaboration Suite email management system exists due to the lack of measures taken to protect the website structure. Exploiting this vulnerability allows a malicious actor to carry out XSS attacks remotely...

The vulnerability of the Zimbra Collaboration Suite’s corporate email management system lies in the lack of verification of account status when sending emails using 2FA authentication. This allows attackers to increase their privileges.

The vulnerability of the Zimbra Collaboration Suite email management system lies in the lack of verification of account status when sending emails using 2FA two-factor authentication. Exploiting this vulnerability can allow unauthorized users to increase their privileges remotely...

The vulnerability of the PreAuth component in the corporate email management system Zimbra Collaboration Suite allows a hacker to redirect users to any arbitrary URL address.

The vulnerability of the PreAuth component in the Zimbra Collaboration Suite email management system is related to the redirection of URLs to an unreliable website. Exploiting this vulnerability allows a malicious actor to redirect users to any given URL address remotely...

The vulnerability of the Zimbra Collaboration Suite’s corporate email management system lies in the use of certain JVM arguments within the mail server. This allows attackers to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the Zimbra Collaboration Suite email management system is related to the use of certain arguments in the Java Virtual Machine JVM used by the mail server. Exploiting this vulnerability could allow a malicious actor to compromise the confidentiality, integrity, and accessibili...

Zimbra Collaboration Server 8.8.x < 8.8.15 Patch 38 / 9.0.0 < 9.0.0 Patch 31 Multiple Vulnerabilities in ClamAV

According to its self-reported version number, Zimbra Collaboration Server is affected by multiple vulnerabilities in the bundled ClamAV package, including: - A vulnerability in the HFS+ partition file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could...

Winter Vivern APT targets EU with Zimbra flaw

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Winter Vivern abuses CVE-2022-27926 to attack public Zimbra webmail portals of government entities. To receive real-time threat advisories, please follow HiveForce Labs on LinkedIn...

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Synacor Zimbra Collaboration Suite ZCS contains a cross-site scripting vulnerability by allowing an endpoint URL to accept parameters without sanitizing...

Zimbra email platform vulnerability exploited to steal European govt emails

By Deeba Ahmed Researchers have noted that attackers are targeting a medium-severity Zimbra vulnerability that the company patched in version 9.0.0 Patch 24, one year ago. This is a post from HackRead.com Read the original post: Zimbra email platform vulnerability exploited to steal European govt...

Winter Vivern APT Targets European Government Entities with Zimbra Vulnerability

The advanced persistent threat APT actor known as Winter Vivern is now targeting officials in Europe and the U.S. as part of an ongoing cyber espionage campaign. "TA473 since at least February 2023 has continuously leveraged an unpatched Zimbra vulnerability in publicly facing webmail portals tha...

Winter Vivern APT Targets European Government Entities with Zimbra Vulnerability

The advanced persistent threat APT actor known as Winter Vivern is now targeting officials in Europe and the U.S. as part of an ongoing cyber espionage campaign. "TA473 since at least February 2023 has continuously leveraged an unpatched Zimbra vulnerability in publicly facing webmail portals tha...

VulnCheck KEV: CVE-2022-27926

Synacor Zimbra Collaboration Suite ZCS contains a cross-site scripting vulnerability by allowing an endpoint URL to accept parameters without sanitizing...

PT-2023-2843 · Zimbra · Zimbra Collaboration Suite

Name of the Vulnerable Software and Affected Versions: Zimbra Collaboration Suite versions 8.8.15 through 9.0 Description: An open redirect issue exists in the /preauth Servlet, allowing an attacker to redirect a user to any URL if URL sanitization is bypassed in incoming requests. To exploit thi...

PT-2023-2844 · Zimbra · Zimbra Collaboration

Name of the Vulnerable Software and Affected Versions: Zimbra Collaboration ZCS versions 8.8.15 through 9.0 Description: The issue is related to a lack of account status check when sending emails using 2FA two-factor authentication in Zimbra Collaboration Suite. This can allow a remote attacker t...

PT-2023-2845 · Zimbra · Zimbra Collaboration Suite

Name of the Vulnerable Software and Affected Versions: Zimbra Collaboration Suite versions 8.8.15 through 9.0 Description: The issue in Zimbra Collaboration Suite is related to the use of certain JVM arguments in the mailbox manager, which can be exploited by an attacker with initial user access ...

PT-2023-2842 · Zimbra · Zimbra Collaboration

Name of the Vulnerable Software and Affected Versions: Zimbra Collaboration ZCS versions 8.8.15 through 9.0 Description: An issue in Zimbra Collaboration allows for cross-site scripting XSS attacks. This can occur via one of the attributes of the webmail "/h/" endpoint, enabling the execution of...

Cyberattack on Medical and Energy Sector by Lazarus Group

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A cyber-attack conducted by North Korean state-sponsored Lazarus Group targeted public and private sector research organizations, the medical research and energy sector as well as their supply chain for...