OPENSUSE-SU-2020:1707-1 Recommended update for mailman

This update for mailman to version 2.1.34 fixes the following issues: - The fix for lp1859104 can result in ValueError being thrown on attempts to subscribe to a list. This is fixed and extended to apply REFUSESECONDPENDING to unsubscription as well. lp1878458 - DMARC mitigation no longer misses ...

Recommended update for mailman (moderate)

openSUSE Security Update: Recommended update for mailman Announcement ID: openSUSE-SU-2020:1707-1 Rating: moderate References: 1171363 1173369 Cross-References: CVE-2020-12108 CVE-2020-12137 CVE-2020-15011 Affected Products: openSUSE Leap 15.2 An update that fixes three vulnerabilities is now...

NICER Protocol Deep Dive: Internet Exposure of SMTP

Welcome to the NICER Protocol Deep Dive blog series! When we started researching what all was out on the internet way back in January, we had no idea we'd end up with a hefty, 137-page tome of a research report. The sheer length of such a thing might put off folks who might otherwise learn a thin...

Airline DMARC Policies Lag, Opening Flyers to Email Fraud

More than half of global airlines do not have DMARC policies in place, opening their customers up to email fraud attacks, a new report found. DMARC Domain-based Message Authentication, Reporting & Conformance is considered the industry standard for email authentication to prevent attackers from...

Design/Logic Flaw

OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 has improper null termination in the function opendmarcxmlparse that can result in a one-byte heap overflow in opendmarcxml when parsing a specially crafted DMARC aggregate report. This can cause remote memory corruption when a '\0' byte...

UBUNTU-CVE-2020-12460

OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 has improper null termination in the function opendmarcxmlparse that can result in a one-byte heap overflow in opendmarcxml when parsing a specially crafted DMARC aggregate report. This can cause remote memory corruption when a '\0' byte...

DMARC Adoption Spikes, Higher Ed Remains Behind

Adoption of the email security protocol DMARC has continued to tick upwards, with the number of domains deploying DMARC records surpassing 1 million in the last two years — a 2.5 times greater total than in 2018. That’s according to Valimail’s Email Fraud Landscape 2020 report, which also found...

A 'New Age' of Sophisticated Business Email Compromise is Coming

A newly discovered, sophisticated threat group that targets organizations without DMARC implemented and relies on business email compromise is heralding what researchers call “a new age” of business email compromise. The group, called Cosmic Lynx, is the first reported Russian BEC cybercriminal...

Business Email Compromise (BEC) Criminal Ring

A criminal group called Cosmic Lynx seems to be based in Russia: Dubbed Cosmic Lynx, the group has carried out more than 200 BEC campaigns since July 2019, according to researchers from the email security firm Agari, particularly targeting senior executives at large organizations and corporations...

BlueLeaks Server Seized By German Police: Report

German authorities have reportedly seized a server hosting the massive BlueLeaks data dump, which was released earlier in June and exposed thousands of sensitive police department and law enforcement files. According to a Wednesday report by PCMag, the server was based in Falkenstein, Germany and...

First-Ever Russian BEC Gang, Cosmic Lynx, Uncovered

Researchers say they have discovered the first-ever reported Russian business email compromise BEC cybercriminal ring, showing that sophisticated attackers beyond the usual Nigerian scammers are setting their sights on the email-based attack vector. The BEC gang is called Cosmic Lynx, and has bee...

BofA Phish Gets Around DMARC, Other Email Protections

A credential-phishing attempt that relies on impersonating Bank of America has emerged in the U.S. this month, with emails that get around secure gateway protections and heavy-hitting protections like DMARC. The campaign involves emails that ask recipients to update their email addresses, warning...

OpenDMARC has an unspecified vulnerability

OpenDMARC is an open source implementation of the DMARC Domain Based Message Authentication, Reporting and Conformance specification. OpenDMARC suffers from an unspecified vulnerability that stems from the program not properly parsing SPF/DKIM authentication results. An attacker could exploit the...

PT-2020-6916 · Opendmarc +2 · Opendmarc +2

Name of the Vulnerable Software and Affected Versions: OpenDMARC versions 1.3.2 and 1.4.x Description: The issue is related to the incorrect parsing and interpretation of SPF/DKIM authentication results, allowing attacks to inject false information about the domain that originated an e-mail...

Domain Name Security: Important Measures You Need to Know

Whether you are an individual, a large commercial business, or a small non-profit organization, the creation and protection of your online presence are essential. While many individuals and businesses use social media platforms to connect with followers, customers, or organization members, a doma...

Nextcloud: Email Spoofing

An SPF/DMARC record is a type of Domain Name Service DNS record that identifies which mail servers are permitted to send email on behalf of your domain. The purpose of an SPF/DMARC record is to prevent spammers from sending messages on the behalf of your organization. Remediation: Create a SPF...

Increased Emotet Malware Activity

The Cybersecurity and Infrastructure Security Agency CISA is aware of a recent increase in targeted Emotet malware attacks. Emotet is a sophisticated Trojan that commonly functions as a downloader or dropper of other malware. Emotet primarily spreads via malicious email attachments and attempts t...

XML External Entity (XXE)

modoboadmarc is vulnerable to XML external entity XXE attacks. During the import of aggregated DMARC report, unsanitized XML data is automatically parsed and fed to the database. This allows an attacker to access and retrieve system files or perform requests on behalf of the server...

CVE-2019-19702

The modoboa-dmarc plugin 1.1.0 for Modoboa is vulnerable to an XML External Entity Injection XXE attack when processing XML data. A remote attacker could exploit this to perform a denial of service against the DMARC reporting functionality, such as by referencing the /dev/random file within XML...

CVE-2019-19702

The modoboa-dmarc plugin 1.1.0 for Modoboa is vulnerable to an XML External Entity Injection XXE attack when processing XML data. A remote attacker could exploit this to perform a denial of service against the DMARC reporting functionality, such as by referencing the /dev/random file within XML...