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.
Metrics
CVSS 2.0 7.5/10
AV:N/AC:L/Au:N/C:P/I:P/A:PAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=267837Vendor Advisory
- http://marc.info/?l=bugtraq&m=110763358832637&w=2
- http://secunia.com/advisories/14137/Patch
- http://www.redhat.com/support/errata/RHSA-2005-152.html
- http://www.securityfocus.com/bid/12445Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19218
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11339
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=267837Vendor Advisory
- http://marc.info/?l=bugtraq&m=110763358832637&w=2
- http://secunia.com/advisories/14137/Patch
- http://www.redhat.com/support/errata/RHSA-2005-152.html
- http://www.securityfocus.com/bid/12445Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19218
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11339
Timeline
- Published
- May 2, 2005
- Last modified
- Jun 16, 2026
- NVD status
- Modified