Trend-spotting email techniques: How modern phishing emails hide in plain sight

With the massive volume of emails sent each day, coupled with the many methods that attackers use to blend in, identifying the unusual and malicious is more challenging than ever. An obscure Unicode character in a few emails is innocuous enough, but when a pattern of emails containing this obscur...

CVE-2021-20771

CVE-2021-20771 is a cross-site scripting vulnerability in Cybozu Garoon’s E-mail/Group Mail component. Connected documents specify affected versions: Cybozu Garoon 4.0.0 through 5.5.0. The root cause is an XSS issue in some E-mail-related functions, enabling a remote attacker to inject arbitrary ...

CVE-2021-20762

CVE-2021-20762 is an improper input validation vulnerability in Cybozu Garoon’s E-mail component that allows a remote authenticated attacker to alter E-mail data without the proper privileges. Affected products/versions include Cybozu Garoon 4.0.0 through 5.0.2 (and related ranges noted in connec...

CVE-2020-15955

In s/qmail through 4.0.07, an active MitM can inject arbitrary plaintext commands into a STARTTLS encrypted session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the MitM attacker...

CVE-2020-15955

The CVE-2020-15955 issue affects s/qmail up to version 4.0.07, where an active MitM can inject arbitrary plaintext commands into a STARTTLS session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the attacker. The root cause is the ability to tam...

Attackers use Morse code, other encryption methods in evasive phishing campaign

Cybercriminals attempt to change tactics as fast as security and protection technologies do. During our year-long investigation of a targeted, invoice-themed XLS.HTML phishing campaign, attackers changed obfuscation and encryption mechanisms every 37 days on average, demonstrating high motivation...

The vulnerability of Cisco AMP, a security tool against malicious software, for end-user devices running Cisco AsyncOS in Cisco Email Security Appliance and Cisco Web Security Appliance systems is related to the lack of trust-chain tracking during certificate verification. This allows attackers to intercept traffic between affected devices.

The vulnerability of Cisco AMP, a security tool for malicious software, in devices running Cisco AsyncOS, which are part of Cisco Email Security Appliance and Cisco Web Security Appliance systems, stems from the lack of trust-chain tracking during certificate verification. Exploiting this...

CVE-2021-25273

CVE-2021-25273 is a stored XSS affecting Sophos UTM prior to version 9.706, exploitable in the quarantined email details view from the admin perspective. The root cause is a stored XSS flaw that allows an attacker to execute script in an administrator’s browser. Multiple connected sources confirm...

Zimbra 8.8.15 - Webmail Compromise via Email

Zimbra is a popular webmail solution for global enterprises. According to Zimbra, it is used by over 200,000 businesses and over a thousand government & financial institutions to exchange emails between millions of users every day. When attackers get access to an employees email account, it often...

CVE-2021-21443

CVE-2021-21443 affects OTRS: Community Edition 6.0.x (6.0.1+ on release track) and OTRS: 7.0.x prior to 7.0.27. The issue allows agents to list customer user emails without required permissions in the bulk action screen, indicating an access control exposure. The connected sources confirm the aff...

Phish Swims Past Email Security with Milanote Pages

The Milanote app, billed as the “Evernote for creatives” by reviewers, has attracted the notice of cybercriminals who are abusing it to carry out credential-stealing campaigns that skate past secure email gateways SEGs, researchers said. Milanote is a tool for organizing and collaborating on...

Fortinet FortiMail Encryption Issue Vulnerability

Fortinet FortiMail is a suite of email security gateway products from Fortinet, Inc. Fortinet FortiMail is vulnerable to an encryption issue that could be exploited by a remote attacker with a valid session cookie to decrypt it and display or alter its content...

Unspecified Vulnerability in Fortinet FortiMail

Fortinet FortiMail is a set of e-mail security gateway products of the U.S. Fita Fortinet. The product provides e-mail security and data protection features. Fortinet FortiMail has a security vulnerability that allows an unauthenticated attacker to intercept encrypted messages, making it possible...

Fortinet FortiMail Injection Vulnerability

Fortinet FortiMail is a set of e-mail security gateway products of the U.S. Fita Fortinet. The product provides e-mail security and data protection features. An injection vulnerability exists in Fortinet FortiMail due to a missing encryption step in the implementation of the hash digest algorithm...

Fortinet FortiMail SQL Injection Vulnerability

Fortinet FortiMail is a set of e-mail security gateway products of the U.S. Fita Fortinet. The product provides e-mail security and data protection features. A security vulnerability exists in Fortinet FortiMail that can be exploited by an attacker to execute unauthorized code or commands via...

Design/Logic Flaw

Nextcloud Mail is a mail app for Nextcloud. In versions prior to 1.9.6, the Nextcloud Mail application does not, by default, render images in emails to not leak the read state. The privacy filter failed to filter images with a background-image CSS attribute. Note that the images were still passed...

Fortinet FortiMail 安全漏洞

Fortinet FortiMail is a set of e-mail security gateway products of the U.S. Fita Fortinet. The product provides email security and data protection features. A security vulnerability exists in FortiMail prior to 7.0.0, which stems from the lack of an encryption step in the Identity-Based Encryptio...

Fortinet FortiMail 数据伪造问题漏洞

Fortinet FortiMail is a set of e-mail security gateway products of the U.S. Fita Fortinet. The product provides e-mail security and data protection features. An injection vulnerability exists in Fortinet FortiMail due to a missing encryption step in the implementation of the hash digest algorithm...

Arbitrary File Read Vulnerability in SPAM SQR Email Security Gateway of Shou Nei An Information Technology (Shanghai) Co.

SPAM SQR Email Security Gateway is a new generation email filtering system that separates spam and threat emails and provides differential behavior management features. SPAM SQR Email Security Gateway of Shou Nei An Information Technology Shanghai Co., Ltd. suffers from an arbitrary file reading...

3 Steps to Strengthen Your Ransomware Defenses

The recent tsunami of ransomware has brought to life the fears of downtime and data loss cybersecurity pros have warned about, as attacks on the energy sector, food supply chain, healthcare industry, and other critical infrastructure have grabbed headlines. For the industry experts who track the...