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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4154 libreswan security and bug fix update 6 November 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libreswan Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 8 Red Hat Enterprise Linux WS/Desktop 8 Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-10155 Reference: ESB-2019.3208 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:3391 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Low: libreswan security and bug fix update Advisory ID: RHSA-2019:3391-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:3391 Issue date: 2019-11-05 CVE Names: CVE-2019-10155 ===================================================================== 1. Summary: An update for libreswan is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. 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 (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network (VPN). The following packages have been upgraded to a later upstream version: libreswan (3.29). (BZ#1738853) Security Fix(es): * libreswan: vulnerability in the processing of IKEv1 informational packets due to missing integrity check (CVE-2019-10155) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from 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/): 1608353 - /usr/sbin/ipsec part of the libreswan packages still invokes commands that were deprecated a decade ago 1679394 - libreswan using NSS IPsec profiles regresses when critical flags are set causing validation failure 1683706 - Libreswan shows incorrect error messages 1699318 - 'ipsec show' has python3 invalid syntax 1706180 - Remove last usage of old (unused) PF_KEY API 1712555 - libreswan rebase to 3.29 1713734 - barf: shell syntax error in barf diagnostic tool 1714141 - CVE-2019-10155 libreswan: vulnerability in the processing of IKEv1 informational packets due to missing integrity check 1714331 - support NSS based IKE KDF's so libreswan does not need FIPS certification 1723957 - libreswan is missing linux audit calls for failed IKE SAs and failed IPsec SAs required for Common Criteria 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: libreswan-3.29-6.el8.src.rpm aarch64: libreswan-3.29-6.el8.aarch64.rpm libreswan-debuginfo-3.29-6.el8.aarch64.rpm libreswan-debugsource-3.29-6.el8.aarch64.rpm ppc64le: libreswan-3.29-6.el8.ppc64le.rpm libreswan-debuginfo-3.29-6.el8.ppc64le.rpm libreswan-debugsource-3.29-6.el8.ppc64le.rpm s390x: libreswan-3.29-6.el8.s390x.rpm libreswan-debuginfo-3.29-6.el8.s390x.rpm libreswan-debugsource-3.29-6.el8.s390x.rpm x86_64: libreswan-3.29-6.el8.x86_64.rpm libreswan-debuginfo-3.29-6.el8.x86_64.rpm libreswan-debugsource-3.29-6.el8.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-2019-10155 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/ 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXcHq9tzjgjWX9erEAQjBuQ//dvw++taYXK6X+QxKp4U+PF71hKrwMgMQ NFyyjVaV/MStL3V6TsqDg+zm7Ya8k3NQxszlsHOnr4V6oA9lmaAaRI+3v0TXwmws 1DqvdTsBXetU+Stt9W9AU7XJJLRqQOUohQUoqJ3FTWsAlw16B0a4I9+si3fc6T/B 05QEPMjSD7HA5Hph01jYhvjxCdVJ00joxiSRRspgio+/TiGOFs6skaGXtIzGb/l7 ZJk0EtstltOAehkvdNy7cs3trfQIzyjw1cTRbuaegpZ0eVup2fTUNGffprXifbIw LjjBHJtAmOj1wp1bCg51Jd0ynwOiMRik1dhM3SuNSYChSAdCLywRIyB5GUMhOFhs VBX4ejnjIk3/WHAlwVgpgsaUHOhIymBCLRhhDOtzNFWFt7OyvcURcFgPJuO1jCPt xGQaXA7fA+Xib450IX4INf2rrZZ71TS/W+kCP29vCJGM6eH4+q1/4MgNwgdRJ3ut x1oK/zsZudl4yTUlojtRVrcqJdESzpMugzmuFz6RARIukVHX8CpWSmObWDOULxrN yCG5pfMa1uDbwma7TADlkVSgFlaauYekKNJb9B+uKpcCITq8DZpie1dbbK5zH8Nx RDC2rKmpu/k9qUO0oOjsXgVeH3u9ygfjyIkga06C4RWancqb+a1Ood/x7JUNnJZj M1G0UCl5Llo= =2Gg2 - -----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 iQIVAwUBXcJPK2aOgq3Tt24GAQhoyA//fJDxZ4aYOAIaZ4Ry6fJU4/TDprvsoCe0 EPx4Ir3RetBsWjGIHVEnQMZo/Vhgpdb42TvPvbaVia9iCNl5SwbnSlS619IMoZ/B GU/xJFQA75Nr2FEFukUWc+XoS4iHiDceo4sB0oh5IrdYWR6wkh3TIXqqQj+HcTm3 dCizh8mHvx1lisxOuIDe8gEvq9ATf3alJfmcKAPIIw2i9W5DKeXBzDlcXWQtw/K6 wfWYF5oSqd12HKZ+VRDTRb7YmizllxvNuceeOFhXi1o6fOg3v5Z25HLwId1HKBDs tqxLKTX25DEzdORQTinfdMydKTWPcoHfToZOCsftC/ilBUbXjPenjk4LZtBPTvSb 0166oplwWLcaJN60N+WvVgvcRDFi1HVVqqyJmWnIn3HihasVj0e5ks6dkRpnqAUO qwz8tLye9L20gnN4fMpDq1K6IQUh/Uod9JD9kgrl4SttDfWwXhhbLw9aYnv0XPOV 9/mRx8qNRVoZK2aMHE4Wp/ZLolMGiVr0nu/1qChIOdD4IxH8OFgsSPHZIotz0BOY i1ZlrulzPWlYV1sB7VyrQdpgNOzeRv21AOHZzsvz58Jv9A0P9d4GHkBQYGPwd6w5 cnt/e217KUMuh7j5KBviCQZHgVTAeliiunKmOSkODh4djr7HXGzSn3LFHQM9J4Ix aojySxiJCdc= =7DM1 -----END PGP SIGNATURE-----