UBUNTU-CVE-2021-20314

Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages...

CVE-2021-20314

Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages...

Email spoofing: how attackers impersonate legitimate senders

Introduction In a nutshell, email spoofing is the creation of fake emails that seem legitimate. This article analyzes the spoofing of email addresses through changing the From header, which provides information about the senders name and address. SMTP Simple Mail Transfer Protocol, the main email...

Privilege Escalation

OpenDMARC is vulnerable to privilege escaltion. The vulnerability exists due to pypolicyd-spf allowing an attacker to bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field...

[ASA-202105-13] opendmarc: multiple issues

Arch Linux Security Advisory ASA-202105-13 ========================================== Severity: Medium Date : 2021-05-19 CVE-ID : CVE-2019-20790 CVE-2020-12272 Package : opendmarc Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-1375 Summary ======= The package...

UPchieve: No Valid SPF Records/don't have DMARC record

I have already reported this isssue through email and the company has accepted my report. Hiii, There is any issue No valid SPF Records on https://app.upchieve.org Desciprition : There is a email spoofing vulnerability.Email spoofing is the forgery of an email header so that the message appears t...

Sifchain: No Valid SPF Records/don't have DMARC record

Hiii, There is any issue No valid SPF Records on https://sifchain.finance/ Desciprition : There is a email spoofing vulnerability.Email spoofing is the forgery of an email header so that the message appears to have originated from someone or somewhere other than the actual source. Email spoofing ...

Sifchain: No Valid SPF Records at sifchain.finance

Hello, There is any issue No valid SPF Records Desciprition : There is a email spoofing vulnerability.Email spoofing is the forgery of an email header so that the message appears to have originated from someone or somewhere other than the actual source. Email spoofing is a tactic used in phishing...

Sifchain: Email spoofing

Email spoofing is possible To verify: visit :https://www.kitterman.com/spf/validate.html? and type your domain name to check SPF record you can see the results as: NO valid SPF record found POC: 1.visit http://emkei.cz// 2.fill the from email as [email protected] 3.to email as victim email...

Sifchain: No valid SPF record found

Email spoofing is possible To verify: visit : https://www.kitterman.com/spf/validate.html and type your domain name to check SPF records you can see the results as: No valid SPF record found. POC: 1. visit: https://emkei.cz/ 2. fill the from email as [email protected] 3.To email as victim ema...

Sifchain: Vulnerability : Email Spoofing

Hi Team Hope you are doing well. I found vulnerability. Issue: Email Spoofing I just sent a forged email to [email protected] that appears to originate from [email protected] I was able to do this because of SPF Soft Fail and I could not find DMARC record of this domain. SPF record...

Sifchain: Email Spoofing bug

Hi team, 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...

Rapid7's 2021 ICER Takeaways: Email Security Among the Fortune 500

This blog post covers key takeaways from our 2021 Industry Cyber-Exposure Report ICER: Fortune 500. Original analysis for these findings was conducted by Kwan Lin. We all know and love—or at least begrudgingly rely upon—email. It is a pillar of modern communications, but is unfortunately also...

How to Test and Improve Your Domain's Email Security?

No matter which type of business you are in, whether small, medium, or large, email has become an irrefutable tool for communicating with your employees, partners, and customers. Emails are sent and received each day in bulk by companies from various sources. In addition, organizations may also...

OpenDMARC - Multiple vulnerabilities

OpenDMARC releases prior to 1.4.1 are susceptible to the following vulnerabilities: CVE-2019-16378 OpenDMARC through 1.3.2 and 1.4.x through 1.4.0-Beta1 is prone to a signature-bypass vulnerability with multiple From: addresses, which might affect applications that consider a domain name to be...

How to Effectively Prevent Email Spoofing Attacks in 2021?

Email spoofing is a growing problem for an organization's security. Spoofing occurs when a hacker sends an email that appears to have been sent from a trusted source/domain. Email spoofing is not a new concept. Defined as "the forgery of an email address header to make the message appear as if it...

How to Fight Business Email Compromise (BEC) with Email Authentication?

An ever-evolving and rampant form of cybercrime that targets emails as the potential medium to conduct fraud is known as Business Email Compromise. Targeting commercial, government as well as non-profit organizations, BEC can lead to huge amounts of data loss, security breach, and compromised...

O1 Labs: SPF Records

The vulnerability was that you can spoof their email address and then the attacker can send emails from their email address which could lead to sending fake emails or attempts of phishing. To see if you can send an email of a target domain you need to check if it has an SPF Sender Policy Framewor...

dnsrecon 0.10.0 - CSV Injection Vulnerability

Exploit Title: dnsrecon 0.10.0 - CSV Injection Author: Dolev Farhi Vendor Homepage: https://github.com/darkoperator/dnsrecon/ Version : 0.10.0 Tested on: ParrotOS 4.10 dnsrecon, when scanning a TXT record such as SPF, i.e.: spf.domain.com, outputs a CSV report -c out.csv with entries such as...

dnsrecon 0.10.0 - CSV Injection

Exploit Title: dnsrecon 0.10.0 - CSV Injection Author: Dolev Farhi Date: 2021-01-07 Vendor Homepage: https://github.com/darkoperator/dnsrecon/ Version : 0.10.0 Tested on: ParrotOS 4.10 dnsrecon, when scanning a TXT record such as SPF, i.e.: spf.domain.com, outputs a CSV report -c out.csv with...