RedHat: RHSA-2021-4913:04 Important: mailman security update
Summary
Mailman is a program used to help manage e-mail discussion lists.
Security Fix(es):
* mailman: CSRF token bypass allows to perform CSRF attacks and account
takeover (CVE-2021-42097)
* mailman: CSRF token bypass allows to perform CSRF attacks and admin
takeover (CVE-2021-44227)
* mailman: CSRF protection missing in the user options page (CVE-2016-6893)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2016-6893 https://access.redhat.com/security/cve/CVE-2021-42097 https://access.redhat.com/security/cve/CVE-2021-44227 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux Server (v. 7):
Source:
mailman-2.1.15-30.el7_9.2.src.rpm
ppc64:
mailman-2.1.15-30.el7_9.2.ppc64.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.ppc64.rpm
ppc64le:
mailman-2.1.15-30.el7_9.2.ppc64le.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.ppc64le.rpm
s390x:
mailman-2.1.15-30.el7_9.2.s390x.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.s390x.rpm
x86_64:
mailman-2.1.15-30.el7_9.2.x86_64.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
mailman-2.1.15-30.el7_9.2.src.rpm
x86_64:
mailman-2.1.15-30.el7_9.2.x86_64.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for mailman is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Bugs Fixed
1370155 - CVE-2016-6893 mailman: CSRF protection missing in the user options page
2020568 - CVE-2021-42097 mailman: CSRF token bypass allows to perform CSRF attacks and account takeover
2026862 - CVE-2021-44227 mailman: CSRF token bypass allows to perform CSRF attacks and admin takeover