-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: mailman:2.1 security update Advisory ID: RHSA-2021:4839-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4839 Issue date: 2021-11-24 CVE Names: CVE-2021-42096 CVE-2021-42097 ==================================================================== 1. Summary: An update for the mailman:2.1 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64 3. Description: 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 derived from admin password allows offline brute-force attack (CVE-2021-42096) 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. 4. 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 5. Bugs fixed (https://bugzilla.redhat.com/): 2020568 - CVE-2021-42097 mailman: CSRF token bypass allows to perform CSRF attacks and account takeover 2020575 - CVE-2021-42096 mailman: CSRF token derived from admin password allows offline brute-force attack 6. Package List: Red Hat Enterprise Linux AppStream EUS (v.8.4): Source: mailman-2.1.29-11.module+el8.4.0+13212+81332387.1.src.rpm aarch64: mailman-2.1.29-11.module+el8.4.0+13212+81332387.1.aarch64.rpm mailman-debuginfo-2.1.29-11.module+el8.4.0+13212+81332387.1.aarch64.rpm mailman-debugsource-2.1.29-11.module+el8.4.0+13212+81332387.1.aarch64.rpm ppc64le: mailman-2.1.29-11.module+el8.4.0+13212+81332387.1.ppc64le.rpm mailman-debuginfo-2.1.29-11.module+el8.4.0+13212+81332387.1.ppc64le.rpm mailman-debugsource-2.1.29-11.module+el8.4.0+13212+81332387.1.ppc64le.rpm s390x: mailman-2.1.29-11.module+el8.4.0+13212+81332387.1.s390x.rpm mailman-debuginfo-2.1.29-11.module+el8.4.0+13212+81332387.1.s390x.rpm mailman-debugsource-2.1.29-11.module+el8.4.0+13212+81332387.1.s390x.rpm x86_64: mailman-2.1.29-11.module+el8.4.0+13212+81332387.1.x86_64.rpm mailman-debuginfo-2.1.29-11.module+el8.4.0+13212+81332387.1.x86_64.rpm mailman-debugsource-2.1.29-11.module+el8.4.0+13212+81332387.1.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/ 7. References: https://access.redhat.com/security/cve/CVE-2021-42096 https://access.redhat.com/security/cve/CVE-2021-42097 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYZ5PE9zjgjWX9erEAQiulg//f5sTeFIKxJSqE+vDgC1YjZzwHFDMU+4V UxR4iTuQZHDoByVfNhGSIWNPrzxsjhiVVivi2RB8lgoIkL4JYBcKdlq/i4/waYAa uLxKEWt/jvE3iIWj7pzeLn/1hZPN192RYcA/JMR/9cBGSTmI1VX6O8aSrSYWYT2D 0KeK4w3ARrMR4JSWM+5gHGRwmZPQ7EzGGR95P/WGDBGPXpthWpzRrFbzJU2p+YgU MQHqH9/mf6LV+MEeytIdQ6QE8+jYaCL2hZ2MYQCzDVcecixoL22D4CBuJt17QiGG M0PYlU6HTq/iDunpXbeYRwfAPlopS2G/pdgRBDjg8YOZoBYQqM0Dc9yBWOJzahod pFXK094TxShhr+BWtEj7WIZjuJbfOrD2a/csEO9H5UNU121RA/GD5xr3KVAj2tpz s+ntD+FiR4aZ4jgcjzJ9HjRONBLg7TUs8G9cdiT4m9gXGTEKmcxeyJyDt3abF0kJ WBm9jwWaX7BFAVta45tEqGMZJyCmUTvNl5+V4NXApBGK8byuPGi4/0A/nffAKbEy sSFm0/Lophehhe5SYkMc/C0AoWLWkU7t4Ss0X5IjTR7UNO/ylLlXzWfALhdxlBYf jxXjg71yOwbQxPUMTq/tHCwiP+yBXZGcvgub0EsdJHHqlY2AYId09SDPXeUR6OeP mB6bLafPzEQ=2xU1 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce