Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3563 JSA11050 - 2020-10 Security Bulletin: Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denial of Service. (CVE-2020-1657) 16 October 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Junos OS SRX Series Publisher: Juniper Networks Operating System: Juniper Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-1657 Original Bulletin: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA11050 - --------------------------BEGIN INCLUDED TEXT-------------------- 2020-10 Security Bulletin: Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denial of Service. (CVE-2020-1657) Article ID : JSA11050 Last Updated: 14 Oct 2020 Version : 1.0 Product Affected: This issue affects Junos OS 12.3X48, 15.1X49, 17.4, 18.1, 18.2, 18.3, 18.4, 19.1. Affected platforms: SRX Series. Problem: On SRX Series devices, a vulnerability in the key-management-daemon (kmd) daemon of Juniper Networks Junos OS allows an attacker to spoof packets targeted to IPSec peers before a security association (SA) is established thereby causing a failure to set up the IPSec channel. Sustained receipt of these spoofed packets can cause a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 implementations. This issue affects Juniper Networks Junos OS on SRX Series: o 12.3X48 versions prior to 12.3X48-D90; o 15.1X49 versions prior to 15.1X49-D190; o 17.4 versions prior to 17.4R2-S9, 17.4R3; o 18.1 versions prior to 18.1R3-S9; o 18.2 versions prior to 18.2R3; o 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; o 18.4 versions prior to 18.4R1-S6, 18.4R2-S3, 18.4R3; o 19.1 versions prior to 19.1R1-S4, 19.1R2. This issue does not affect 12.3 or 15.1 releases which are non-SRX Series releases. The example of minimum config stanza affected by this issue: [security ipsec] Juniper SIRT is not aware of any malicious exploitation of this vulnerability. This issue was found during internal product security testing or research. This issue has been assigned CVE-2020-1657 . Solution: The following software releases have been updated to resolve this specific issue: 12.3X48-D90, 15.1X49-D190, 17.4R2-S9, 17.4R3, 18.1R3-S9, 18.2R3, 18.3R1-S7, 18.3R2-S3, 18.3R3, 18.4R1-S6, 18.4R2-S3, 18.4R3, 19.1R1-S4, 19.1R2, 19.2R1, and all subsequent releases. This issue is being tracked as 977435 . Workaround: There are no known workarounds for this issue. Implementation: Software releases or updates are available for download at https:// www.juniper.net/support/downloads/ . Modification History: 2020-10-14: 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 Severity Assessment: Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories." - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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 iQIVAwUBX4kAyuNLKJtyKPYoAQgqbg/+MBDnhHsjeXjGY57fC2PuA+d0iPuoB8Om mGIskDh7EA0vgomv+aKQzvJDF9EhwEPeslfyygyvS1hMyYzEM/Dy6LSLzswlB89B MZEwLqmA3LN9EFdW79j8CeqhHqt4a39Xw0KvC74hKxbqd9GuAYEcu6AX8CTlv2BK 1B78+PBgMS9cScx1+/RhgGrNTcSDVY0URrF/0bXvCy+JqGVfScbC0atEIrzFtyLP jEvp3NEcA2V2QA/ciGOeb763e/eiK54AoHn9NStK9mHIIBeN7EzzVCmk2A90D0uc 0Ir+/79cT47Nkgf+7+m/WysHXxP4dE7Hdx48gvGegHOhLFEWtIdVSQ2wDyfxUiv3 3z1C9/i6DWmwMG9CaBtpoBqoUHWsc+ZyMEtiMZCpCN2HjWjMj/UKvlFhWpYvKgVA ni/6+n8mnNfamuEB+NdLBzkObM/kS7PJayfgr2DcsXBAha0l21mxTsOWFFjw+cv1 dyTdrpaUOqJ8EuqU/yux+xxhmzcGySS5LzF8OI0+nrowdILp+k0GnGZ+OjfIL0LD kTwtzDn/GD0f/DYrNcGhvBBVK+wkTCaD1ZZaOO/Uo1jYma/leh5d7RXJdGTvKRCu bCC7uhGUX6L3uynap16VYM0Xu8khfp72Nm8peFgiFPdOe/LSaJbA7ehC+FzlqHZQ y0clL8Z8Fuo= =Agfn -----END PGP SIGNATURE-----