Medium: mailman

Issue Overview:

Cross-site scripting (XSS) vulnerability in web UI
A cross-site scripting (XSS) flaw was found in mailman. An attacker, able to trick the user into visiting a specific URL, can execute arbitrary web scripts on the user’s side and force the victim to perform unintended actions. (CVE-2018-5950)

CSRF protection missing in the user options page
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)

Affected Packages:

mailman

Issue Correction:
Run yum update mailman to update your system.

New Packages:

i686:  
    mailman-2.1.15-26.21.amzn1.i686  
    mailman-debuginfo-2.1.15-26.21.amzn1.i686  
  
src:  
    mailman-2.1.15-26.21.amzn1.src  
  
x86_64:  
    mailman-2.1.15-26.21.amzn1.x86_64  
    mailman-debuginfo-2.1.15-26.21.amzn1.x86_64  

Additional References

Red Hat: CVE-2016-6893, CVE-2018-5950

Mitre: CVE-2016-6893, CVE-2018-5950