Postfix.IPv6.Unauthorized.Mail.Relay
Description
This indicates a possible attempt to exploit a vulnerability in the way Postfix handles the relaying of e-mail messages.
In certain configurations Postfix becomes an open relay for mail addressed to an MX host with IPv6 addresses. An attacker can bypass e-mail restrictions and perform mail relaying by sending mail to an IPv6 hostname.
Affected Products
Wietse Venema Postfix 2.1.3
S.u.S.E. Linux Personal 9.2
S.u.S.E. Linux Personal 9.1
S.u.S.E. Linux Personal 9.0 x86_64
S.u.S.E. Linux Personal 9.0
S.u.S.E. Linux Personal 8.2
S.u.S.E. Linux 8.1
S.u.S.E. Linux 8.0 i386
S.u.S.E. Linux 8.0
RedHat Enterprise Linux WS 4
RedHat Enterprise Linux ES 4
RedHat Enterprise Linux AS 4
RedHat Desktop 4.0
Impact
Security Bypass.
Recommended Actions
Contact your vendor for upgrade or patch information.
Telemetry
Coverage
IPS (Regular DB) | |
IPS (Extended DB) |