log4j: improper validation of certificate with host mismatch in SMTP appender

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1...

CVE-2021-26596

An issue was discovered in Nokia NetAct 18A. A malicious user can change a filename of an uploaded file to include JavaScript code, which is then stored and executed by a victim's web browser. The most common mechanism for delivering malicious content is to include it as a parameter in a URL that...

The human impact of a Royal Mail phishing scam

Last week, we looked at a Royal Mail themed scam which has very quickly become the weapon of choice for phishers. It’s pretty much everywhere at this point. Even one of my relatives with a semi-mystical ability to never experience a scam ever, received a fake SMS at the weekend. The problem with...

A week in security (March 15 – 21)

Last week on Malwarebytes Labs, our podcast featured Adam Kujawa, who talked us through our 2021 State of Malware report. We cover our own research on: Royal mail parcel scam How your iPhone can tell you if you’re being stalked Careers in cybersecurity ProxyLogon PoC whack-a-mole Teen behind 2020...

Unable to Open Attachment in SecureMail More Than Certain Size

When attempting to open an attachment in Secure Mail which is greater than 'x' MB, it fails to open. The following error appears: "Sorry. There was a problem downloading this file" Example: Attachment 10MB or greater fails to open However, attachment with 9 MB or smaller size opens without any is...

HGiga MailSherlock SQL Injection Vulnerability (CNVD-2021-25618)

Hgiga MailSherlock is a set of enterprise mail audit system from Henderson Hgiga, China. HGiga MailSherlock suffers from a SQL injection vulnerability, which stems from the lack of validation of externally entered SQL statements in database-based applications, and can be exploited by an attacker ...

Microsoft Exchange Server ProxyLogon vulnerability

Added: 03/19/2021 Background Microsoft Exchange is an e-mail server for Microsoft Windows operating systems. Problem A server-side request forgery vulnerability in Microsoft Exchange allows remote attackers to execute arbitrary commands. Resolution Apply the patch referenced in Microsoft Advisory...

Hgiga MailSherlock SQL注入漏洞

Hgiga MailSherlock is a set of enterprise mail audit system from Henderson Hgiga, China. HGiga MailSherlock suffers from a SQL injection vulnerability, which stems from the lack of validation of externally entered SQL statements in database-based applications, and can be exploited by an attacker ...

Rockstar Games: Password and mail address stored unencrypted in memory - Rockstar Game Launcher

User credentials were stored unencrypted in memory for a short time during the login process for a game launcher application. The credentials could have been retrieved by dumping application memory after login. This issue has since been resolved to no longer expose passwords in memory...

USN-4839-1: python-gnupg vulnerabilities

Marcus Brinkmann discovered that python-gnupg improperly handled certain command line parameters. A remote attacker could use this to spoof the output of python-gnupg and cause unsigned e-mail to appear signed. CVE-2018-12020 It was discovered that python-gnupg incorrectly handled the GPG...

USN-4820-1 s-nail vulnerability

It was discovered that S-nail incorrectly handled paths. An attacker could possible use this issue to write arbitrary files and escalate privileges...

Royal Mail scam says your parcel is waiting for delivery

Expecting a delivery? Watch out for phishing attempts warning of held packages and bogus shipping fees. This Royal Mail delivery scam begins with a text message out of the blue, claiming: Your Royal Mail parcel is waiting for delivery. Please confirm the settlement amount of 2.99 GBP via:...

NewStart CGSL MAIN 6.02 : dovecot Multiple Vulnerabilities (NS-SA-2021-0054)

The remote NewStart CGSL host, running version MAIN 6.02, has dovecot packages installed that are affected by multiple vulnerabilities: - In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service resource consumption via a...

NewStart CGSL CORE 5.04 / MAIN 5.04 : dovecot Multiple Vulnerabilities (NS-SA-2021-0012)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has dovecot packages installed that are affected by multiple vulnerabilities: - In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service resource...

Exploit for Server-Side Request Forgery in Microsoft

CVE-2021-26855-PoC PoC exploit code for CVE-2021-26855. Orig...

OESA-2021-1079 mutt security update

Mutt is a small but very powerful text-based mail client for Unix operating systems. Security Fixes: rfc822.c in Mutt through 2.0.4 allows remote attackers to cause a denial of service mailbox unavailability by sending email messages with sequences of semicolon characters in RFC822 address fields...

[SECURITY] Fedora 33 Update: isync-1.4.1-1.fc33

mbsync is a command line application which synchronizes mailboxes. Currently Maildir and IMAP4 mailboxes are supported. New messages, message deletions and flag changes can be propagated both ways. mbsync is suitable for use in IMAP-disconnected mode...

DRUPAL-CONTRIB-2021-004

The Webform module for Drupal 8/9 includes a default Contact webform, which sends a notification email to the site owner and a confirmation email to the email address supplied via the form. The confirmation email can be used as an open mail relay to send an email to any email address. This...

The vulnerability of Microsoft Exchange Server’s mail server, related to insufficient input validation, allows attackers to execute arbitrary code.

The vulnerability of Microsoft Exchange Server is related to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to execute arbitrary code remotely...

thunderbird security update

CentOS Errata and Security Advisory CESA-2021:0661 An update for thunderbird is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...