CWE
352
Advisory Published

USN-5121-2: Mailman vulnerabilities

First published: Mon Nov 01 2021(Updated: )

USN-5009-1 fixed vulnerabilities in Mailman. This update provides the corresponding updates for Ubuntu 20.04 LTS. In addition, the following CVEs were fixed: It was discovered that Mailman allows arbitrary content injection. An attacker could use this to inject malicious content. (CVE-2020-12108, CVE-2020-15011) It was discovered that Mailman improperly sanitize the MIME content. An attacker could obtain sensitive information by sending a special type of attachment. (CVE-2020-12137) Original advisory details: Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman did not properly associate cross-site request forgery (CSRF) tokens to specific accounts. A remote attacker could use this to perform a CSRF attack to gain access to another account. (CVE-2021-42097) Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman’s cross-site request forgery (CSRF) tokens for the options page are derived from the admin password. A remote attacker could possibly use this to assist in performing a brute force attack against the admin password. (CVE-2021-42096)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/mailman<1:2.1.29-1ubuntu3.1
1:2.1.29-1ubuntu3.1
=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What vulnerabilities did USN-5121-2 fix?

    USN-5121-2 fixed the following vulnerabilities: CVE-2020-12108, CVE-2020-12137, and CVE-2021-42096.

  • What is the severity of CVE-2020-12108?

    The severity of CVE-2020-12108 is not specified.

  • How can an attacker exploit CVE-2020-12108?

    An attacker can exploit CVE-2020-12108 by injecting arbitrary content into Mailman.

  • How do I fix the Mailman vulnerability?

    To fix the Mailman vulnerability, update to version 1:2.1.29-1ubuntu3.1 of Mailman.

  • Where can I find more information about these vulnerabilities?

    More information about these vulnerabilities can be found at the following references: CVE-2020-12108 - https://ubuntu.com/security/CVE-2020-12108, CVE-2020-12137 - https://ubuntu.com/security/CVE-2020-12137, CVE-2021-42096 - https://ubuntu.com/security/CVE-2021-42096.

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