CVE-2023-51764

Postfix CVE-2023-51764 affects Postfix versions prior to fixed releases (e.g., 3.8.5 and earlier patched lines) and allows SMTP smuggling via non-standard end-of-data handling, enabling spoofed MAIL FROM and SPF bypass. Public advisories (ALMA/AMAZON/Linux distributions and Debian LTS) confirm th...

CVE-2023-51764

Postfix through 3.8.5 allows SMTP smuggling unless configured with smtpddatarestrictions=rejectunauthpipelining and smtpddiscardehlokeywords=chunking or certain other options that exist in recent versions. Remote attackers can use a published exploitation technique to inject e-mail messages with ...

CVE-2023-51766

Exim before 4.97.1 is vulnerable to SMTP smuggling in specific PIPELINING/CHUNKING configurations, enabling a remote attacker to inject messages with a spoofed MAIL FROM and bypass SPF. The root cause cited across multiple sources is that Exim handles end-of-data sequences using . in ways that so...

CVE-2023-51764

Postfix through 3.8.5 allows SMTP smuggling unless configured with smtpddatarestrictions=rejectunauthpipelining and smtpddiscardehlokeywords=chunking or certain other options that exist in recent versions. Remote attackers can use a published exploitation technique to inject e-mail messages with ...

CVE-2023-51765

sendmail through 8.17.2 allows SMTP smuggling in certain configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because sendmail supports . but some other...

CVE-2023-51766

Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Exim supports . but...

CVE-2023-51766

Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Exim supports . but...

[slackware-security] postfix

New postfix packages are available for Slackware 15.0 and -current to fix a security issue. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/postfix-3.6.13-i586-1slack15.0.txz: Upgraded. Security: this release adds support to defend against an email spoofing attack SMTP...

PT-2023-8848 · Sendmail +5 · Sendmail +5

Name of the Vulnerable Software and Affected Versions: sendmail versions 8.14.7 through 8.17.2 Description: The issue allows SMTP smuggling in certain configurations, enabling remote attackers to inject e-mail messages with a spoofed MAIL FROM address. This bypasses an SPF protection mechanism...

Post SMTP < 2.6.1 - Authenticated (Administrator+) SQL Injection

Description The Post SMTP plugin for WordPress is vulnerable to time-based SQL Injection via the logid parameter in versions up to, and including, 2.6.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible...

Post SMTP < 2.8.7 - Reflected Cross-Site Scripting

Description The plugin does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin. Make a logged in admin open the following URL:...

Post SMTP < 2.8.7 - Reflected Cross-Site Scripting

Description The plugin does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin. PoC Make a logged in admin open the following URL:...

Post SMTP < 2.8.7 - Admin+ SQL Injection

Description The plugin does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privilege users such as admin. PoC In ps-delete-email-logs action: Visit the Post SMTP Email Log page and run the following code in t...

Post SMTP < 2.6.1 - Authenticated (Administrator+) SQL Injection

Description The Post SMTP plugin for WordPress is vulnerable to time-based SQL Injection via the logid parameter in versions up to, and including, 2.6.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible...

Wordfence CLI 2.1.0 Adds Email Capability and Unattended Configuration

Note: This post refers to Wordfence CLI, the command line tool for operations teams to rapidly scan large numbers of WordPress websites for vulnerabilities and malware, not the Wordfence plugin which is deeply integrated into WordPress and provides additional functionality, like a firewall,...

GHSA-8QP8-9RPW-J46C SMTP misconfiguration leading to "Forgot Password" exploit that leaks registered user email.

Impact A user enumeration attack is possible when SMTP is not setup correctly, but reset password is enabled Explanation of the vulnerability Two different error messages was shown, based on if the user exists or not when using the forgot password functionality, when the SMTP was configured but d...

SMTP misconfiguration leading to "Forgot Password" exploit that leaks registered user email.

Impact A user enumeration attack is possible when SMTP is not setup correctly, but reset password is enabled Explanation of the vulnerability Two different error messages was shown, based on if the user exists or not when using the forgot password functionality, when the SMTP was configured but d...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure due to improper configuration of the SMTP settings combined with enabled password reset functionality. An attacker can enumerate user accounts by observing the behavior of the password reset feature. Remediation...

CVE-2023-49274

Umbraco is an ASP.NET content management system CMS. Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, a user enumeration attack is possible when SMTP is not set up correctly, but reset password is enabled. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this...

Default credentials

Umbraco is an ASP.NET content management system CMS. Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, a user enumeration attack is possible when SMTP is not set up correctly, but reset password is enabled. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this...