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Security Advisory postfix security update

Advisory: RHSA-2005:152-04
Type: Security Advisory
Severity: Low
Issued on: 2005-03-16
Last updated on: 2005-03-16
Affected Products: Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
CVEs (cve.mitre.org): CVE-2005-0337

Details

Updated postfix packages that include a security fix and two other bug
fixes are now available for Red Hat Enterprise Linux 4.

This update has been rated as having low security impact by the Red Hat
Security Response Team

Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL),
and TLS.

A flaw was found in the ipv6 patch used with Postfix. When the file
/proc/net/if_inet6 is not available and permit_mx_backup is enabled in
smtpd_recipient_restrictions, this flaw could allow remote attackers to
bypass e-mail restrictions and perform mail relaying by sending mail to an
IPv6 hostname. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2005-0337 to this issue.

These updated packages also fix the following problems:

- wrong permissions on doc directory
- segfault when gethostbyname or gethostbyaddr fails

All users of postfix should upgrade to these updated packages, which
contain patches which resolve these issues.


Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.

Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

If up2date fails to connect to Red Hat Network due to SSL
Certificate Errors, you need to install a version of the
up2date client with an updated certificate. The latest version of
up2date is available from the Red Hat FTP site and may also be
downloaded directly from the RHN website:

https://rhn.redhat.com/help/latest-up2date.pxt

Updated packages

Red Hat Desktop (v. 4)

IA-32:
postfix-2.1.5-4.2.RHEL4.i386.rpm
File outdated by:  RHSA-2011:0843
    MD5: 986882612b24197ca6a962e2e863dba7
postfix-pflogsumm-2.1.5-4.2.RHEL4.i386.rpm
File outdated by:  RHSA-2011:0843
    MD5: 1dc80db9e883731d25f3783fa47dccd8
 
x86_64:
postfix-2.1.5-4.2.RHEL4.x86_64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 365c57d129da99b56ba8d54b73539c89
postfix-pflogsumm-2.1.5-4.2.RHEL4.x86_64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 3a39dc000dd43d57144da89450accfbe
 
Red Hat Enterprise Linux AS (v. 4)

IA-32:
postfix-2.1.5-4.2.RHEL4.i386.rpm
File outdated by:  RHSA-2011:0843
    MD5: 986882612b24197ca6a962e2e863dba7
postfix-pflogsumm-2.1.5-4.2.RHEL4.i386.rpm
File outdated by:  RHSA-2011:0843
    MD5: 1dc80db9e883731d25f3783fa47dccd8
 
IA-64:
postfix-2.1.5-4.2.RHEL4.ia64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 01c0c0432414d34d774b6d118e8fd93c
postfix-pflogsumm-2.1.5-4.2.RHEL4.ia64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 3a07219a527596c4719cb971aa54aa38
 
PPC:
postfix-2.1.5-4.2.RHEL4.ppc.rpm
File outdated by:  RHSA-2011:0843
    MD5: 6eb2d7a742a0684b0031ea30843fd8ac
postfix-pflogsumm-2.1.5-4.2.RHEL4.ppc.rpm
File outdated by:  RHSA-2011:0843
    MD5: f15d4f4e2823befcbdf5e913182c592a
 
s390:
postfix-2.1.5-4.2.RHEL4.s390.rpm
File outdated by:  RHSA-2011:0843
    MD5: 915feb7be6d01186fb61d1664d5714a7
postfix-pflogsumm-2.1.5-4.2.RHEL4.s390.rpm
File outdated by:  RHSA-2011:0843
    MD5: 96202b25b1775f7fd1a96077354ebf72
 
s390x:
postfix-2.1.5-4.2.RHEL4.s390x.rpm
File outdated by:  RHSA-2011:0843
    MD5: fbb35e5cb15347ffaa68cdad954683d0
postfix-pflogsumm-2.1.5-4.2.RHEL4.s390x.rpm
File outdated by:  RHSA-2011:0843
    MD5: aeb220b7e428f560e6cad87f367fd8ff
 
x86_64:
postfix-2.1.5-4.2.RHEL4.x86_64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 365c57d129da99b56ba8d54b73539c89
postfix-pflogsumm-2.1.5-4.2.RHEL4.x86_64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 3a39dc000dd43d57144da89450accfbe
 
Red Hat Enterprise Linux ES (v. 4)

IA-32:
postfix-2.1.5-4.2.RHEL4.i386.rpm
File outdated by:  RHSA-2011:0843
    MD5: 986882612b24197ca6a962e2e863dba7
postfix-pflogsumm-2.1.5-4.2.RHEL4.i386.rpm
File outdated by:  RHSA-2011:0843
    MD5: 1dc80db9e883731d25f3783fa47dccd8
 
IA-64:
postfix-2.1.5-4.2.RHEL4.ia64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 01c0c0432414d34d774b6d118e8fd93c
postfix-pflogsumm-2.1.5-4.2.RHEL4.ia64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 3a07219a527596c4719cb971aa54aa38
 
x86_64:
postfix-2.1.5-4.2.RHEL4.x86_64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 365c57d129da99b56ba8d54b73539c89
postfix-pflogsumm-2.1.5-4.2.RHEL4.x86_64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 3a39dc000dd43d57144da89450accfbe
 
Red Hat Enterprise Linux WS (v. 4)

IA-32:
postfix-2.1.5-4.2.RHEL4.i386.rpm
File outdated by:  RHSA-2011:0843
    MD5: 986882612b24197ca6a962e2e863dba7
postfix-pflogsumm-2.1.5-4.2.RHEL4.i386.rpm
File outdated by:  RHSA-2011:0843
    MD5: 1dc80db9e883731d25f3783fa47dccd8
 
IA-64:
postfix-2.1.5-4.2.RHEL4.ia64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 01c0c0432414d34d774b6d118e8fd93c
postfix-pflogsumm-2.1.5-4.2.RHEL4.ia64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 3a07219a527596c4719cb971aa54aa38
 
x86_64:
postfix-2.1.5-4.2.RHEL4.x86_64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 365c57d129da99b56ba8d54b73539c89
postfix-pflogsumm-2.1.5-4.2.RHEL4.x86_64.rpm
File outdated by:  RHSA-2011:0843
    MD5: 3a39dc000dd43d57144da89450accfbe
 
(The unlinked packages above are only available from the Red Hat Network)

Bugs fixed (see bugzilla for more information)

139983 - newaliases segfaults when gethostbyname or gethostbyaddr fails
146732 - CAN-2005-0337 open relay bug in postfix ipv6 patch
147280 - Permissions on doc directory is wrong


References



These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from:
https://www.redhat.com/security/team/key/#package

The Red Hat security contact is secalert@redhat.com. More contact details at http://www.redhat.com/security/team/contact/