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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3997 mailman:2.1 security update 25 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: mailman:2.1 Publisher: Red Hat Operating System: Red Hat Impact/Access: Increased Privileges -- Existing Account Cross-site Request Forgery -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-42097 CVE-2021-42096 Reference: ESB-2021.3987 ESB-2021.3643 ESB-2021.3534 ESB-2021.3529 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4837 https://access.redhat.com/errata/RHSA-2021:4838 https://access.redhat.com/errata/RHSA-2021:4839 Comment: This bulletin contains three (3) Red Hat security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: mailman:2.1 security update Advisory ID: RHSA-2021:4837-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4837 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 8.2 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. 8.2) - 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. 8.2): Source: mailman-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.src.rpm aarch64: mailman-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.aarch64.rpm mailman-debuginfo-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.aarch64.rpm mailman-debugsource-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.aarch64.rpm ppc64le: mailman-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.ppc64le.rpm mailman-debuginfo-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.ppc64le.rpm mailman-debugsource-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.ppc64le.rpm s390x: mailman-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.s390x.rpm mailman-debuginfo-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.s390x.rpm mailman-debugsource-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.s390x.rpm x86_64: mailman-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.x86_64.rpm mailman-debuginfo-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.x86_64.rpm mailman-debugsource-2.1.29-4.module+el8.2.0+13241+705a6aa4.3.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 <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYZ5PG9zjgjWX9erEAQiaWw/7BMfKu7e2FOZBC68J3F7k5ro49W3eFQj2 u4RtpPPgay+/fmdOXvfxlx/KV7La1vPui5wOLgvYOg2SJ3+sy78yaPjcHOpvrFan iHFBuqRFfHXJr5ZfAx/KrpVEugwqFX6cD7UAdF+gqdpiY4TS0w+c79dpmpYZ4Tps aWy2F3toXLhcIcdggUg6+v2F04yNuGlTGWlordzgrFuAcDpDCfjw+HLlvglzgxJO xFD69MGC8KDNAnQBeuTyhXPuYXlR/f5HtC083of+aS3OLyVLP1xWGTNcsWoblYSm XdYkkbNZM4R16Z7yQuR5DvhJA354eJMuZ1lMXHyjwrB1Eoxxu78Kf5Q0yNXqIn/n GRIoLXCpVnjsLKA5ytyhkY6K+ugIYZvnvrYhEGSpF1Vb/r+TCSkTqA4V3HkADUkO bhcwLm5SUEk+MAEmGoxUEEPTDrn9bv8+yfvvRCCNF0HIeNZ0CwlDIDbvMjDV4JA+ FwINkqjKWiddDONx3gBVn1w9BbhjAFcb7FNrklvgyiZ+WpnVc9qpC2BkJz40M/QY ECFOCB5z1ZZWMJ7TwXtTiYoJ+3IdPBOL8P7+e71GFL/POcd2J6L5qJqCzxUZA2zO kZuyc7AW5Rni55zV5dQNuF3pr6gW8HZv2Qi6siC0n+/h+/NbJ259hdLCzi86X6ms yGo32COQF3k= =BJpx - -----END PGP SIGNATURE----- - ----------------------------------------------------------------------------------------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: mailman:2.1 security update Advisory ID: RHSA-2021:4838-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4838 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 8.1 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. 8.1) - 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. 8.1): Source: mailman-2.1.29-4.module+el8.1.0+13242+45286865.1.src.rpm aarch64: mailman-2.1.29-4.module+el8.1.0+13242+45286865.1.aarch64.rpm mailman-debuginfo-2.1.29-4.module+el8.1.0+13242+45286865.1.aarch64.rpm mailman-debugsource-2.1.29-4.module+el8.1.0+13242+45286865.1.aarch64.rpm ppc64le: mailman-2.1.29-4.module+el8.1.0+13242+45286865.1.ppc64le.rpm mailman-debuginfo-2.1.29-4.module+el8.1.0+13242+45286865.1.ppc64le.rpm mailman-debugsource-2.1.29-4.module+el8.1.0+13242+45286865.1.ppc64le.rpm s390x: mailman-2.1.29-4.module+el8.1.0+13242+45286865.1.s390x.rpm mailman-debuginfo-2.1.29-4.module+el8.1.0+13242+45286865.1.s390x.rpm mailman-debugsource-2.1.29-4.module+el8.1.0+13242+45286865.1.s390x.rpm x86_64: mailman-2.1.29-4.module+el8.1.0+13242+45286865.1.x86_64.rpm mailman-debuginfo-2.1.29-4.module+el8.1.0+13242+45286865.1.x86_64.rpm mailman-debugsource-2.1.29-4.module+el8.1.0+13242+45286865.1.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 <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYZ5PF9zjgjWX9erEAQjSgA/9H3ZmrqWVl8jnlbhLgCdNIea3ov1xUsf2 GCorL3sypteQr0jmZ8LmlIV/hmcs3u9gz4rr6V6Za55smf8bRS6zjZ2o4OlQguII RwBgEqsps1SJwQpk0OY9YVnbqqr6c/CboS600HvYCuCnBqgUZxA8CLCf7XyG89n0 4i6EOcfX+k13i+FWDPBFtxY7dpct43F+p44RiSg/B0O4YaZxIpbBMfnXg0WXywR5 WgGqaH7UsC3dnPdn7HdWGmLADQ5uGWa0i/2Mj8boIa/1QPxY8JUdfKfA1eS8+KBt Jf0FG+TYsyKGbU8QuQ6AjFSqojbN1KNZUj0VP+OKZjkwnfHx1HKAa2/EgMzsaNsK Q4yavT4PZa7HcY62Y+wM5KaFWGxsDfALHo+/YoQsRc9ZEYf54ZLzR/aMg/0AFYoi VGCCSi7zWzX4ygeGcqgH/GePWhmIEXGg78Wfv/mgjv/Vyc1Mjki5QBf4vcC8xVKk HNJCaVlDwHfEs55m5am3JyKeFjPh9xAkpp/PGELXNeoqnPzFH0aAQdqwThQ3tWe0 LTkohkmrjpdWlgrNI70/fe0vkQu1cHOvIiSjNO8NVKKWKWj8SiRctn0yKDihMlt2 eEyAuG9gfEhllCGRhDyz9CT31tw4pRMCf+dCI5crODHWWelRE+Pb2SorKJim9lOL pBEUJqr7qww= =jDC7 - -----END PGP SIGNATURE----- - ----------------------------------------------------------------------------------------------------- - -----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 <secalert@redhat.com>. 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----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYZ7ePONLKJtyKPYoAQjfMg/8CWi0DA2pR9yR/Ij+pQoVQgmw+HZreMSZ mNMEuPc/racfl72pefA7AMBi0Odwb5ECJAyPxq7imaVhWaeakEGkVP5ILgOeFW0h BixIH65TtpGF+x43+FxKjjlRT7/FmPLdhzd74u4G6cSAibPUmag7VVRTKqF5M/nY KkOQif18hM0W9Fxz/JqRLNhK2Xl1MHpw+3OMsT5U176P0bHKyW4MyzWK8Jv1cvqS mD4vJo0Szay5Uz4u/p1lR7IbyVdnc33lJplOx3hl4lOvTkaiCnoLKCgjL2+nNNfN 4fSLEUVY5N7AXrwSCGNsAIr+lD0upJbo0ZkRCXpx4q0XUVjLI/RdcaK/UCm9JCdJ fO0O7PK8wcrBWlPxV5r9V+LCh6kdOiD3/mMDejio7N231homgCTV6SiCVNaTIybJ ghVyS1qJoogLTPCd/CY1xF8QXMYXYx8qPUjlZ0ZUj2pPgKzPsdmPZqQn9h+Ww19f MLVDSmPNsm/G8yFMOGwPAKyhtNFu9ST7Sm8wM3TCbdh1I1tGhFdjDWNG2KTCdehs GlVvHS0/ulKdFN9N9+gA5UXspDkPSToCif5DP/hQfvtdw4B6Ue42DcI4N8IYzU3t kWiObsvtYHxWPepmmnjZcJTcBcVWVC2ER1o1ky7chOOkxjyA1KLG9/WsrSqbXqks 5y7HJzgR8a4= =0hF+ -----END PGP SIGNATURE-----