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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0088 JSA10987 - 2020-01 Security Bulletin: Junos OS: MX Series: In BBE configurations, receipt of a specific MPLS or IPv6 packet causes a Denial of Service 9 January 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: MX Series running Junos OS Publisher: Juniper Networks Operating System: Juniper Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-1608 Original Bulletin: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10987 - --------------------------BEGIN INCLUDED TEXT-------------------- 2020-01 Security Bulletin: Junos OS: MX Series: In BBE configurations, receipt of a specific MPLS or IPv6 packet causes a Denial of Service (CVE-2020-1608) Article ID : JSA10987 Last Updated: 08 Jan 2020 Version : 3.0 Product Affected: This issue affects Junos OS 17.2, 17.3, 17.4, 18.1, 18.2, 18.2X75, 18.3, 18.4, 19.1, 19.2. Affected platforms: MX Series. Problem: Receipt of a specific MPLS or IPv6 packet on the core facing interface of an MX Series device configured for Broadband Edge (BBE) service may trigger a kernel crash (vmcore), causing the device to reboot. The issue is specific to the processing of packets destined to BBE clients connected to MX Series subscriber management platforms. This issue affects MX Series running Juniper Networks Junos OS: 17.2 versions starting from 17.2R2-S6, 17.2R3 and later releases, prior to 17.2R3-S3; 17.3 versions prior to 17.3R2-S5, 17.3R3-S5; 17.4 versions prior to 17.4R2-S7,17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R3-S2; 18.2X75 versions prior to 18.2X75-D51, 18.2X75-D60; 18.3 versions prior to 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S3, 19.1R2; 19.2 versions prior to 19.2R1-S2, 19.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 17.2R1. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. This issue was seen during production usage. This issue has been assigned CVE-2020-1608 . Solution: The following software releases have been updated to resolve this specific issue: 17.2R3-S3, 17.3R2-S5, 17.3R3-S5, 17.4R2-S7, 17.4R3, 18.1R3-S6, 18.2R3-S2, 18.2X75-D51, 18.2X75-D60, 18.3R3, 18.4R2, 19.1R1-S3, 19.1R2, 19.2R1-S2, 19.2R2, 19.3R1, and all subsequent releases. This issue is being tracked as 1432957 . Workaround: There are no known workarounds for this issue. Implementation: Software Releases, patches and updates are available at https://www.juniper.net /support/downloads/ . Modification History: 2020-01-08: Initial Publication. CVSS Score: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) Severity Level: High - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXhbBMWaOgq3Tt24GAQj1lA//XQViWnEM9LdRHri4XXFxXCom+HuLB5JQ kAPqF0G9lPsAk7sh7LpoUXMJkLMm3wA3YQKYdhmcLpnYeS4A5sLxDGhpBUuhyZIK rd+k0dvGsTpVTY6Ba9FBF3o98CpL918WbJBaR1Hf7qRPC4AXLB9Wn4AOlrNt0QUB Jh5YMjSn5QbnJ07UtARojNawLLTWmxo/zC3EM/0XdEDS8xaesRwPKxV6ihGCy63I 3iIIt4ZUgSvwlXEm3sx6bXFKr5mXc7bRpXwTlD56W8hnbviIpBrHYg8ukcMrEmNN 0AMQjubOfX4NVXjKYbegOTVWjhJBp/ypqN6QUVH6d+E3U9ya918gVOLN07KcrcI7 sLJoWYH8UKKWUb/GIza1hnc8BEHdyHG5VYYNPTCj3rcFKyQFYsb+rVl2K7lEAFam AyvjBP4uAtKcDnq54Rc0Eu1tuD8pOCLheIbC4qkOlE2NGxt57/EDSP1+4JkZNNDr IvGvcCY/PT48KzooVtULcRc0dWvpTuZB4w6j1jmz5kJFuMZ23uoXja6vsFvjDsBy Ck/hfdPbNnob9WfGzxFuNZOu/QOGUwiS80TdcthDnQLndoWsJxERT5wBkNNSSn/z IMwdliyes7fEOZu/0TfWjBoa1wa54iBkOckwBXz+vUURj0vNobLA3OREGJO0EkuX T+qAPL33JIs= =+xba -----END PGP SIGNATURE-----