Important: mailman:2.1 security update
Summary
ALSA-2021:4916: Important: mailman:2.1 security update. Affects mailman across 2 version ranges.
< 3:2.1.29-12.module_el8.5.0+26+48d4c9ee.2
< 3:2.1.29-12.module_el8.5.0+2602+327eb9f3.2
Fixed in 3:2.1.29-12.module_el8.5.0+26+48d4c9ee.2 or 3:2.1.29-12.module_el8.5.0+2602+327eb9f3.2, depending on the release line you run. How to fix ↓
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Background
Mailman is a program used to help manage e-mail discussion lists. It provides a range of features for list administrators and subscribers, including list creation, moderation, archiving, and more. This vulnerability affects the Mailman version 2.1.
Vulnerability Detail
The vulnerability identified as CVE-2021-44227 is a Cross-Site Request Forgery (CSRF) token bypass issue in Mailman. This vulnerability allows an attacker to perform CSRF attacks and potentially take over the admin privileges. CSRF attacks can lead to unauthorized actions being performed on behalf of the victim, compromising the security and integrity of the system. The impact of this vulnerability can be severe, as it enables an attacker to gain control over the Mailman administration and potentially manipulate mailing lists, send malicious emails, or access sensitive information.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
sudo dnf update mailman-
< 3:2.1.29-12.module_el8.5.0+26+48d4c9ee.23:2.1.29-12.module_el8.5.0+26+48d4c9ee.2 -
< 3:2.1.29-12.module_el8.5.0+2602+327eb9f3.23:2.1.29-12.module_el8.5.0+2602+327eb9f3.2
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. It is crucial to apply the recommended fix by updating Mailman to the latest version as soon as possible.
Conclusion
The identified vulnerability in Mailman version 2.1 (CVE-2021-44227) poses a significant security risk, allowing for CSRF attacks and potential admin takeover. To mitigate this risk, it is crucial to update Mailman to version 2.1.29-12.module_el8.5.0+26+48d4c9ee.2 or later. This update includes the necessary security patches and enhancements to prevent CSRF token bypass. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for mailman →
FAQ
Mailman is a program used for managing e-mail discussion lists. It provides various features for list administrators and subscribers, facilitating efficient communication and collaboration.
A CSRF token bypass vulnerability allows an attacker to bypass the CSRF protection mechanisms in a web application. This can enable them to perform unauthorized actions on behalf of a victim user, potentially leading to account compromise or other security issues.
The impact of this vulnerability is significant as it allows an attacker to perform CSRF attacks and potentially take over the admin privileges in Mailman. This can lead to unauthorized manipulation of mailing lists, sending of malicious emails, and access to sensitive information.
To fix this vulnerability, update Mailman to version 2.1.29-12.module_el8.5.0+26+48d4c9ee.2 or later. This update includes the necessary security patches and improvements to prevent CSRF token bypass attacks.
No specific workaround is mentioned for this vulnerability. It is essential to apply the recommended fix by updating Mailman to the latest version.
References
Related vulnerabilities
Recent vulnerabilities recorded for mailman.
