CVE-2016-6893

Cross-site request forgery (CSRF) vulnerability in the user options page in GNU Mailman 2.1.x before 2.1.23 allows remote attackers to hijack the authentication of arbitrary users for requests that modify an option, as demonstrated by gaining access to the credentials of a victim's account (CVE-2016-6893).

These are all security issues fixed in the mailman-2.1.23-1.2 package on the GA media of openSUSE Tumbleweed.

This update for mailman to version 2.1.15 fixes the following issues:

• CVE-2016-6893: Prevent cross-site request forgery (CSRF) vulnerability in the user options page that allowed remote attackers to hijack the authentication of arbitrary users for requests that modify an option (bsc#995352).
• Various other hardenings against CSFR attacks

For details please see https://launchpad.net/mailman/+milestone/2.1.15

This update for mailman fixes the following security vulnerabilities:

• Fixed a XSS vulnerability and information leak in user options CGI, which could be used to execute arbitrary scripts in the user's browser via specially encoded URLs (bsc#1077358 CVE-2018-5950)
• Fixed a directory traversal vulnerability in MTA transports when using the recommended Mailman Transport for Exim (bsc#925502 CVE-2015-2775)
• Fixed a XSS vulnerability, which allowed malicious listowners to inject scripts into the listinfo pages (bsc#1099510 CVE-2018-0618)
• Fixed arbitrary text injection vulnerability in several mailman CGIs (CVE-2018-13796 bsc#1101288)
• Fixed a CSRF vulnerability on the user options page (CVE-2016-6893 bsc#995352)

This update for mailman fixes the following issues:

• Fixed a XSS vulnerability and information leak in user options CGI, which could be used to execute arbitrary scripts in the user's browser via specially encoded URLs (bsc#1077358 CVE-2018-5950)
• Fixed a directory traversal vulnerability in MTA transports when using the recommended Mailman Transport for Exim (bsc#925502 CVE-2015-2775)
• Fixed a XSS vulnerability, which allowed malicious listowners to inject scripts into the listinfo pages (bsc#1099510 CVE-2018-0618)
• Fixed arbitrary text injection vulnerability in several mailman CGIs (CVE-2018-13796 bsc#1101288)
• Fixed a CSRF vulnerability on the user options page (CVE-2016-6893 bsc#995352)

This update for mailman fixes the following issues:

Security issue fixed:

• CVE-2016-6893: Fixed a Cross-site request forgery vulnerability in the admin web interface (bsc#997205).

Following bug was fixed:

• Allow CSRF check to pass in mailman web frontend if the list name contains a '+' (bsc#1102416)

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)