Exploit for Insufficient Verification of Data Authenticity in Postfix

PoC for CVE-2023-51764 SMTP SMUGGLING Postfix CVE-2023-51...

SUSE-SU-2023:4981-1 Security update for postfix

This update for postfix fixes the following issues: - CVE-2023-51764: Fixed new SMTP smuggling attack bsc1218304...

Exploit for Insufficient Verification of Data Authenticity in Postfix

CVE-2023-51764 Postfix SMTP Smuggling - Expect Script POC sen...

Insufficient Verification Of Data Authenticity

exim4 library is vulnerable to Insufficient Verification of Data Authenticity. The vulnerability is due to insufficient verification Exim's SMTP server configurations as it support a character sequence . in SMTP transactions, which is not universally supported by other popular email servers. This...

SMTP Smuggling

Postfix is vulnerable to SMTP smuggling. The vulnerability is caused due to support for . while handling line endings. A remote attacker can exploit this using published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection...

CVE-2023-51765

A flaw was found in some SMTP server configurations in Sendmail. This issue may allow a remote attacker to break out of the email message data to "smuggle" SMTP commands and send spoofed emails that pass SPF checks. Mitigation Mitigation for this issue is either not available or the currently...

CVE-2023-51764

A flaw was found in some SMTP server configurations in Postfix. This flaw allows a remote attacker to break out email message data to "smuggle" SMTP commands and send spoofed emails that pass SPF checks. Out of the box, Postfix targets to accommodate older clients with faulty SMTP implementations...

SUSE 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 Advisory (SSA:2023-356-01)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Virtuozzo Hybrid Infrastructure 6.0 Update 1 (6.0.1-76)

In this release, Virtuozzo Hybrid Infrastructure provides a range of new features that cover improvements in the compute service, object storage, alerts and monitoring. Additionally, this release delivers stability and security improvements, and addresses issues found in previous releases...

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-2023-51765

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...

DEBIAN-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-2023-51765

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...

Code injection

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...

UBUNTU-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...

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...

Code injection

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...

AZL-35110 CVE-2023-51764 affecting package postfix for versions less than 3.9.0-1

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 ...