Amazon Linux 2 Security Advisory: ALAS-2022-1740
Advisory Release Date: 2022-01-18 21:37 Pacific
Advisory Updated Date: 2022-01-20 19:31 Pacific
FAQs regarding Amazon Linux ALAS/CVE Severity
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)
A Cross-Site Request Forgery (CSRF) attack can be performed in mailman due to a CSRF token bypass. CSRF tokens are not checked against the right user and a token created by one user can be used by another one to perform a request, effectively bypassing the protection provided by CSRF tokens. A remote attacker with an account on the mailman system can use this flaw to perform a CSRF attack and perform operations on behalf of the victim user. (CVE-2021-42097)
A Cross-Site Request Forgery (CSRF) attack can be performed in mailman due to a CSRF token bypass. CSRF tokens are not checked against the right type of user when performing admin operations and a token created by a regular user can be used by an admin to perform an admin-level request, effectively bypassing the protection provided by CSRF tokens. A remote attacker with an account on the mailman system can use this flaw to perform a CSRF attack and perform operations on behalf of the victim admin. (CVE-2021-44227)
Affected Packages:
mailman
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update mailman to update your system.
aarch64:
mailman-2.1.15-30.amzn2.2.aarch64
mailman-debuginfo-2.1.15-30.amzn2.2.aarch64
i686:
mailman-2.1.15-30.amzn2.2.i686
mailman-debuginfo-2.1.15-30.amzn2.2.i686
src:
mailman-2.1.15-30.amzn2.2.src
x86_64:
mailman-2.1.15-30.amzn2.2.x86_64
mailman-debuginfo-2.1.15-30.amzn2.2.x86_64