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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2023-51764 |
Postfix through 3.8.5 allows SMTP smuggling unless configured with smtpd_data_restrictions=reject_unauth_pipelining and smtpd_discard_ehlo_keywords=chunking (or certain other options that exist in recent versions). 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 Postfix supports <LF>.<CR><LF> but some other popular e-mail servers do not. To prevent attack variants (by always disallowing <LF> without <CR>), a different solution is required, such as the smtpd_forbid_bare_newline=yes option with a Postfix minimum version of 3.5.23, 3.6.13, 3.7.9, 3.8.4, or 3.9. Published: December 24, 2023; 12:15:08 AM -0500 |
V4.0:(not available) V3.1: 5.3 MEDIUM V2.0:(not available) |
CVE-2017-10140 |
Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 might allow local users to gain privileges by leveraging undocumented functionality in Berkeley DB 2.x and later, related to reading settings from DB_CONFIG in the current directory. Published: April 16, 2018; 1:29:00 PM -0400 |
V4.0:(not available) V3.0: 7.8 HIGH V2.0: 4.6 MEDIUM |
CVE-2011-1720 |
The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method. Published: May 13, 2011; 1:05:43 PM -0400 |
V4.0:(not available) V3.x:(not available) V2.0: 6.8 MEDIUM |