Description
Postfix 2.1.3, when /proc/net/if_inet6 is not available and permit_mx_backup is enabled in smtpd_recipient_restrictions, allows remote attackers to bypass e-mail restrictions and perform mail relaying by sending mail to an IPv6 hostname.
CVSS Metrics
- Vector
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- network
- Access Cmplx
- low
- Auth
- none
- Confidentiality
- partial
- Integrity
- partial
- Availability
- partial
- Weaknesses
- NVD-CWE-Other
Metadata
- Primary Vendor
- WIETSE_VENEMA
- Published
- 5/2/2005
- Last Modified
- 4/3/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
wietse_venema : postfixredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linux_desktopsuse : suse_linuxsuse : suse_linuxsuse : suse_linuxsuse : suse_linuxsuse : suse_linuxsuse : suse_linuxsuse : suse_linuxsuse : suse_linux
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