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Ubuntu Security Notice USN-3118-1

Ubuntu Security Notice USN-3118-1
Posted Nov 1, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3118-1 - It was discovered that the Mailman administrative web interface did not protect against cross-site request forgery attacks. If an authenticated user were tricked into visiting a malicious website while logged into Mailman, a remote attacker could perform administrative actions. This issue only affected Ubuntu 12.04 LTS. Nishant Agarwala discovered that the Mailman user options page did not protect against cross-site request forgery attacks. If an authenticated user were tricked into visiting a malicious website while logged into Mailman, a remote attacker could modify user options. Various other issues were also addressed.

tags | advisory, remote, web, csrf
systems | linux, ubuntu
advisories | CVE-2016-6893, CVE-2016-7123
SHA-256 | 86d40e7046763552f68f7f4ae496da340a76291e0d1557f6f720fe8ac4909166

Ubuntu Security Notice USN-3118-1

Change Mirror Download

===========================================================================
Ubuntu Security Notice USN-3118-1
November 01, 2016

mailman vulnerabilities
===========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in Mailman.

Software Description:
- mailman: Powerful, web-based mailing list manager

Details:

It was discovered that the Mailman administrative web interface did not
protect against cross-site request forgery (CSRF) attacks. If an
authenticated user were tricked into visiting a malicious website while
logged into Mailman, a remote attacker could perform administrative
actions. This issue only affected Ubuntu 12.04 LTS. (CVE-2016-7123)

Nishant Agarwala discovered that the Mailman user options page did not
protect against cross-site request forgery (CSRF) attacks. If an
authenticated user were tricked into visiting a malicious website while
logged into Mailman, a remote attacker could modify user options.
(CVE-2016-6893)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.10:
mailman 1:2.1.22-1ubuntu0.1

Ubuntu 16.04 LTS:
mailman 1:2.1.20-1ubuntu0.1

Ubuntu 14.04 LTS:
mailman 1:2.1.16-2ubuntu0.2

Ubuntu 12.04 LTS:
mailman 1:2.1.14-3ubuntu0.4

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-3118-1
CVE-2016-6893, CVE-2016-7123

Package Information:
https://launchpad.net/ubuntu/+source/mailman/1:2.1.22-1ubuntu0.1
https://launchpad.net/ubuntu/+source/mailman/1:2.1.20-1ubuntu0.1
https://launchpad.net/ubuntu/+source/mailman/1:2.1.16-2ubuntu0.2
https://launchpad.net/ubuntu/+source/mailman/1:2.1.14-3ubuntu0.4



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