Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title mailman security and bug fix update
Informations
Name RHSA-2015:1153 First vendor Publication 2015-06-23
Vendor RedHat Last vendor Modification 2015-06-23
Severity (Vendor) Moderate Revision 01

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:H/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.6 Attack Range Network
Cvss Impact Score 10 Attack Complexity High
Cvss Expoit Score 4.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

Updated mailman packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

Mailman is a program used to help manage email discussion lists.

It was found that mailman did not sanitize the list name before passing it to certain MTAs. A local attacker could use this flaw to execute arbitrary code as the user running mailman. (CVE-2015-2775)

This update also fixes the following bugs:

* Previously, it was impossible to configure Mailman in a way that Domain-based Message Authentication, Reporting & Conformance (DMARC) would recognize Sender alignment for Domain Key Identified Mail (DKIM) signatures. Consequently, Mailman list subscribers that belonged to a mail server with a "reject" policy for DMARC, such as yahoo.com or AOL.com, were unable to receive Mailman forwarded messages from senders residing in any domain that provided DKIM signatures. With this update, domains with a "reject" DMARC policy are recognized correctly, and Mailman list administrators are able to configure the way these messages are handled. As a result, after a proper configuration, subscribers now correctly receive Mailman forwarded messages in this scenario. (BZ#1229288)

* Previously, the /etc/mailman file had incorrectly set permissions, which in some cases caused removing Mailman lists to fail with a "'NoneType' object has no attribute 'close'" message. With this update, the permissions value for /etc/mailman is correctly set to 2775 instead of 0755, and removing Mailman lists now works as expected. (BZ#1229307)

* Prior to this update, the mailman utility incorrectly installed the tmpfiles configuration in the /etc/tmpfiles.d/ directory. As a consequence, changes made to mailman tmpfiles configuration were overwritten if the mailman packages were reinstalled or updated. The mailman utility now installs the tmpfiles configuration in the /usr/lib/tmpfiles.d/ directory, and changes made to them by the user are preserved on reinstall or update. (BZ#1229306)

All mailman users are advised to upgrade to these updated packages, which contain backported patches to correct these issues.

4. Solution:

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

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1208059 - CVE-2015-2775 mailman: directory traversal in MTA transports that deliver programmatically 1229288 - Yahoo.com and AOL DMARC reject policies cripples Mailman-2.1.12 - update to newer release 1229307 - /etc/mailman has wrong permissions 0755 instead of 2775

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2015-1153.html

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 69
Os 3
Os 1
Os 1

Snort® IPS/IDS

Date Description
2015-06-03 GNU Mailman listname directory traversal attempt
RuleID : 34301 - Revision : 2 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date Description
2015-08-18 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2015-582.nasl - Type : ACT_GATHER_INFO
2015-08-04 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20150722_mailman_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2015-07-30 Name : The remote Oracle Linux host is missing a security update.
File : oraclelinux_ELSA-2015-1417.nasl - Type : ACT_GATHER_INFO
2015-07-28 Name : The remote CentOS host is missing a security update.
File : centos_RHSA-2015-1417.nasl - Type : ACT_GATHER_INFO
2015-07-23 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2015-1417.nasl - Type : ACT_GATHER_INFO
2015-07-06 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20150623_mailman_on_SL7_x.nasl - Type : ACT_GATHER_INFO
2015-06-24 Name : The remote CentOS host is missing a security update.
File : centos_RHSA-2015-1153.nasl - Type : ACT_GATHER_INFO
2015-06-24 Name : The remote Oracle Linux host is missing a security update.
File : oraclelinux_ELSA-2015-1153.nasl - Type : ACT_GATHER_INFO
2015-06-24 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2015-1153.nasl - Type : ACT_GATHER_INFO
2015-05-04 Name : The remote Fedora host is missing a security update.
File : fedora_2015-5216.nasl - Type : ACT_GATHER_INFO
2015-04-22 Name : The remote Fedora host is missing a security update.
File : fedora_2015-5333.nasl - Type : ACT_GATHER_INFO
2015-04-10 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_a5f160fadeee11e499f8080027ef73ec.nasl - Type : ACT_GATHER_INFO
2015-04-08 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3214.nasl - Type : ACT_GATHER_INFO
2015-04-08 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-2558-1.nasl - Type : ACT_GATHER_INFO
2015-04-07 Name : The remote Debian host is missing a security update.
File : debian_DLA-186.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2015-12-05 13:28:04
  • Multiple Updates
2015-06-25 13:28:34
  • Multiple Updates
2015-06-23 17:25:12
  • First insertion