CVE-2020-7247

smtpmailaddr in smtpsession.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the “uncommented” default configuration...

CVE-2009-5131

The Receive Service in Websense Email Security before 7.1 does not recognize domain extensions in the blacklist, which allows remote attackers to bypass intended access restrictions and send e-mail messages via an SMTP session...

Session fixation

The Receive Service in Websense Email Security before 7.1 does not recognize domain extensions in the blacklist, which allows remote attackers to bypass intended access restrictions and send e-mail messages via an SMTP session...

CVE-2009-5131

CVE-2009-5131 concerns the Receive Service in Websense Email Security prior to 7.1, where the blacklist fails to recognize domain extensions. This allows remote attackers to bypass access restrictions and send e-mail messages via an SMTP session. Documented by NVD and Red Hat with the same descri...

Session fixation

Websense Email Security 7.1 before Hotfix 4 allows remote attackers to bypass the sender-based blacklist by using the 8BITMIME EHLO keyword in the SMTP session...

postfix: SMTP commands injection during plaintext to TLS session switch

The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is...

CVE-2010-4344

Heap-based buffer overflow in the stringvformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging...

CVE-2010-4344

Heap-based buffer overflow in the stringvformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging...

CVE-2010-4344

Heap-based buffer overflow in the stringvformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper rejection logging...

Fedora 11 : spamass-milter-0.3.1-18.fc11 (2010-5176)

This update includes a fix for a problem where if the milter is running using the '-x' option to expand aliases before passing inbound mail through SpamAssassin, a malicious client using a carefully-crafted SMTP session could execute arbitrary code on the mail server. The fix avoids the use of a...

Fedora 12 : spamass-milter-0.3.1-18.fc12 (2010-5096)

This update includes a fix for a problem where if the milter is running using the '-x' option to expand aliases before passing inbound mail through SpamAssassin, a malicious client using a carefully-crafted SMTP session could execute arbitrary code on the mail server. The fix avoids the use of a...

Buffer overflow

Multiple buffer overflows in the Internet Agent aka GWIA component in Novell GroupWise 7.x before 7.03 HP3 and 8.x before 8.0 HP2 allow remote attackers to execute arbitrary code via 1 a crafted e-mail address in an SMTP session or 2 an SMTP command...

long sendmail timeouts let attacker prevent milter quiesce

Summary: An attacker that can predict when a milter will need to quiesce input to allow for a reload may hold open an SMTP session for several hours. This will lead to a DoS condition on the mailserver. Background: Sendmail is a popular Mail Transfer Agent MTA, used in many large sites that requi...

Avirt Mail 4.x DoS

Issue: ------ Avirt Mail 4.x up to latest version is vulnerable to denial of service while handling a SMTP session. Tested versions: ---------------- Avirt Mail 4.0 build 4124 - vulnerable Avirt Mail 4.2 build 4807 - vulnerable Both versions where tested on Windows 98 since I do not have access...