Chinese Hacking Group Exploits Barracuda Zero-Day

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The Chinese-linked hacking group, tracked as UNC4841, has prominently directed its efforts towards infiltrating and compromising various entities in recent attacks. These offensives were particularly...

Earth Estries' Espionage Campaign Targets Governments and Tech Titans Across Continents

A hacking outfit nicknamed Earth Estries has been attributed to a new, ongoing cyber espionage campaign targeting government and technology industries based in the Philippines, Taiwan, Malaysia, South Africa, Germany, and the U.S. "The threat actors behind Earth Estries are working with high-leve...

CISA Releases IOCs Associated with Malicious Barracuda Activity

CISA has released additional indicators of compromise IOCs associated with exploitation of CVE-2023-2868. CVE-2023-2868 is a remote command injection vulnerability affecting Barracuda Email Security Gateway ESG Appliance, versions 5.1.3.001-9.2.0.006. Malicious threat actors exploited this...

PT-2023-27311 · Unknown · Silverware Games

Name of the Vulnerable Software and Affected Versions: Silverware Games versions prior to 1.3.7 Description: The issue concerns a timing difference in the Recovery form of Silverware Games, a premium social network for online gaming, which can indicate whether a specified email address is present...

Holehe - Tool To Check If The Mail Is Used On Different Sites Like Twitter, Instagram And Will Retrieve Information On Sites With The Forgotten Password Function

Holehe Online Version Summary Efficiently finding registered accounts from emails. Holehe checks if an email is attached to an account on sites like twitter, instagram, imgur and more than 120 others. Retrieves information using the forgotten password function. Does not alert the target email. Ru...

HackerOne: Support Tickets can be created on behalf of other users using spoofed email | Bypass of #2001913

A vulnerability allowed an attacker to create support tickets on behalf of other users by sending a fake email to [email protected]. This bypassed a previous fix implemented by HackerOne to prevent support tickets from being created via email...

CVE-2023-39951

CVE-2023-39951 affects OpenTelemetry Java Instrumentation prior to 1.28.0. When instrumenting AWS SDK v2 calls to SES v1, the request query parameters are inserted into the trace url.path, causing the HTTP body (subject and message) to be exposed in telemetry backends. This information disclosure...

CVE-2020-26082

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass content filters that are configured on an affected device. The vulnerability is due to improper handling of password-protected...

CVE-2020-26082

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass content filters that are configured on an affected device. The vulnerability is due to improper handling of password-protected...

Input validation

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass content filters that are configured on an affected device. The vulnerability is due to improper handling of password-protected...

CVE-2020-26082

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass content filters that are configured on an affected device. The vulnerability is due to improper handling of password-protected...

CVE-2020-26082

CVE-2020-26082 derives from Cisco AsyncOS (ESA) ’s zip decompression engine, where improper handling of password-protected zip files allows an unauthenticated, remote attacker to bypass configured content filters. The issue affects Cisco Email Security Appliance (ESA) running affected AsyncOS ver...

CVE-2020-26082

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to bypass content filters that are configured on an affected device. The vulnerability is due to improper handling of password-protected...

PYSEC-2023-139

Sydent is an identity server for the Matrix communications protocol. Prior to version 2.5.6, if configured to send emails using TLS, Sydent does not verify SMTP servers' certificates. This makes Sydent's emails vulnerable to interception via a man-in-the-middle MITM attack. Attackers with...

CVE-2023-38686

Sydent (Matrix Identity Server) is affected pre-2.5.6: when configured to send emails via TLS, it does not verify SMTP server certificates, enabling MITM interception of invitation and address-confirmation emails by an attacker with network access. Root cause: failure to verify TLS SMTP certifica...

Microsoft Defender for Office 365 gets highest rating in SE Labs Enterprise Email Security Services test for Q1 2023

In the ever-evolving world of cybersecurity, email remains a primary attack vector for cybercriminals, making effective email protection a foundational piece of any organization’s security strategy. In Q1 2023, Microsoft was once again part of an evaluation of email security platforms conducted b...

Sydent does not verify email server certificates

Impact If configured to send emails using TLS, Sydent does not verify SMTP servers' certificates. This makes Sydent's emails vulnerable to interception via a man-in-the-middle MITM attack. Attackers with privileged access to the network can intercept room invitations and address confirmation...

PT-2023-26550 · Sydent · Sydent

Name of the Vulnerable Software and Affected Versions: Sydent versions prior to 2.5.6 Description: Sydent is an identity server for the Matrix communications protocol. If configured to send emails using TLS, Sydent does not verify SMTP servers' certificates, making its emails vulnerable to...

Hackers Deploy "SUBMARINE" Backdoor in Barracuda Email Security Gateway Attacks

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday disclosed details of a "novel persistent backdoor" called SUBMARINE deployed by threat actors in connection with the hack on Barracuda Email Security Gateway ESG appliances. "SUBMARINE comprises multiple artifacts — includin...

PSA: Wordfence Brand Being Actively Used in Phishing Campaigns

Earlier this week we became aware that malicious actors are using Wordfence brand image to run a phishing scam on WordPress and Wordfence users, posing as unknown login notifications from their own website while linking to a fake login page, clearly aiming to steal WordPress login credentials. If...