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Ubuntu 18.04 & 16.04: USN-4406-1 Critical Mailman Login Injection

ubuntu
Calendar Grey June 29, 2020
Dist Ubuntu Esm H88
A recent issue with Mailman on Ubuntu permits unauthorized content insertion during login processes. Swiftly implement updates to fortify your system's security.
Mailman could be made to inject arbitrary content in the login page if it received a specially crafted input.

Summary

Mailman could be made to inject arbitrary content in the login page if it

received a specially crafted input.

Software Description:

- mailman: Web-based mailing list manager (legacy branch)

Details:

It was discovered that Mailman incorrectly handled certain inputs.

An attacker could possibly use this issue to inject arbitrary content

in the login page.

Topics%20covered

Topics Covered

security advisory security issue ubuntu mailman arbitrary content login injection

Update Instructions

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

Ubuntu 18.04 LTS:
  mailman                         1:2.1.26-1ubuntu0.3

Ubuntu 16.04 LTS:
  mailman                         1:2.1.20-1ubuntu0.6

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

References

https://ubuntu.com/security/notices/USN-4406-1

CVE-2020-15011

Severity
critical
Lowest
Low
Medium
High
Critical

June 29, 2020

Topics%20covered

Topics Covered

security advisory security issue ubuntu mailman arbitrary content login injection

Package Information

https://launchpad.net/ubuntu/+source/mailman/1:2.1.26-1ubuntu0.3
https://launchpad.net/ubuntu/+source/mailman/1:2.1.20-1ubuntu0.6

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