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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0082 Junos OS: Multiple security bulletins 9 January 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Junos OS Publisher: Juniper Networks Operating System: Juniper Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Delete Arbitrary Files -- Existing Account Denial of Service -- Remote/Unauthenticated Cross-site Scripting -- Remote with User Interaction Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-1607 CVE-2020-1606 CVE-2020-1603 CVE-2020-1601 CVE-2020-1600 Original Bulletin: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10979 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10980 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10982 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10985 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10986 Comment: This bulletin contains five (5) Juniper Networks security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- 2020-01 Security Bulletin: Junos OS: A specific SNMP command can trigger a high CPU usage Denial of Service in the RPD daemon. (CVE-2020-1600) Article ID : JSA10979 Last Updated: 08 Jan 2020 Version : 3.0 Product Affected: This issue affects Junos OS 12.3X48, 15.1, 15.1X49, 15.1X53, 16.1, 16.2, 17.1, 17.2, 17.3, 17.4, 18.1, 18.2, 18.2X75, 18.3, 18.4, 19.1, 19.2. Problem: In a Point-to-Multipoint (P2MP) Label Switched Path (LSP) scenario, an uncontrolled resource consumption vulnerability in the Routing Protocol Daemon (RPD) in Juniper Networks Junos OS allows a specific SNMP request to trigger an infinite loop causing a high CPU usage Denial of Service (DoS) condition. This issue affects both SNMP over IPv4 and IPv6. This issue affects: Juniper Networks Junos OS: 12.3X48 versions prior to 12.3X48-D90; 15.1 versions prior to 15.1R7-S6; 15.1X49 versions prior to 15.1X49-D200; 15.1X53 versions prior to 15.1X53-D238, 15.1X53-D592; 16.1 versions prior to 16.1R7-S5; 16.2 versions prior to 16.2R2-S11; 17.1 versions prior to 17.1R3-S1; 17.2 versions prior to 17.2R3-S2; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R2-S4, 17.4R3; 18.1 versions prior to 18.1R3-S5; 18.2 versions prior to 18.2R3; 18.2X75 versions prior to 18.2X75-D50; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R1-S6, 18.4R2; 19.1 versions prior to 19.1R2. The following minimal configuration is required. The community "public" is minimal; other communities are impacted as well. [snmp community public] [logical-systems logical-system-name protocols mpls label-switched-path lsp-name] [protocols mpls label-switched-path] 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-2020-1600 . Solution: The following software releases have been updated to resolve this specific issue: 12.3X48-D90, 15.1R7-S6, 15.1X49-D200, 15.1X53-D238, 15.1X53-D592, 16.1R7-S5, 16.2R2-S11, 17.1R3-S1, 17.2R3-S2, 17.3R3-S7, 17.4R2-S4, 17.4R3, 18.1R3-S5, 18.2R3, 18.2X75-D50, 18.3R2, 18.4R1-S6, 18.4R2, 19.1R2, 19.2R1, and all subsequent releases. This issue is being tracked as 1402185 . Workaround: If SNMP is not needed, remove SNMP from the system, otherwise, there are no available workarounds for this issue. SNMP is disabled by default. Additional steps which may reduce the risk of exploitation include: Utilizing edge filtering with source-address validation (uRPF, etc.), access control lists (ACLs), and/or SNMPv3 authentication to limit access to the device only from trusted hosts. Implementation: Software Releases, patches and updates are available at https://www.juniper.net /support/downloads/ . Modification History: 2020-01-08: Initial Publication. CVSS Score: 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) Severity Level: Medium 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." - -------------------------------------------------------------------------------- 2020-01 Security Bulletin: Junos OS: Upon receipt of certain types of malformed PCEP packets the pccd process may crash. (CVE-2020-1601) Article ID : JSA10980 Last Updated: 08 Jan 2020 Version : 2.0 Product Affected: This issue affects Junos OS 15.1, 15.1X49, 15.1X53, 16.1, 16.2, 17.1, 17.2, 17.3, 17.4, 18.1, 18.2, 18.2X75, 18.3, 18.4. Problem: Certain types of malformed Path Computation Element Protocol (PCEP) packets when received and processed by a Juniper Networks Junos OS device serving as a Path Computation Client (PCC) in a PCEP environment using Juniper's path computational element protocol daemon (pccd) process allows an attacker to cause the pccd process to crash and generate a core file thereby causing a Denial of Service (DoS). Continued receipt of this family of malformed PCEP packets will cause an extended Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1F6-S13, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238, 15.1X53-D496, 15.1X53-D592; 16.1 versions prior to 16.1R7-S4; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R2-S11, 17.1R3; 17.2 versions prior to 17.2R1-S9; 17.2 version 17.2R2 and later prior to 17.2R3-S2; 17.3 versions prior to 17.3R3-S3; 17.4 versions prior to 17.4R2-S2, 17.4R3; 18.1 versions prior to 18.1R3-S2; 18.2 versions prior to 18.2R2-S6, 18.2R3; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R1-S2, 18.4R2. This issue does not affect releases of Junos OS prior to 15.1R1. The following minimal configuration is required: [protocols pcep pce pce-id destination-ipv4-address ipv4-address] 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-2020-1601 . Solution: The following software releases have been updated to resolve this specific issue: 15.1F6-S13, 15.1R7-S4, 15.1X49-D180, 15.1X53-D238, 15.1X53-D496, 15.1X53-D592, 16.1R7-S4, 16.2R2-S9, 17.1R2-S11, 17.1R3, 17.2R1-S9, 17.2R3-S2, 17.3R3-S3, 17.4R2-S2, 17.4R2-S4, 17.4R3, 18.1R3-S2, 18.2R2-S6, 18.2R3, 18.2X75-D40, 18.3R2, 18.4R1-S2, 18.4R2, 19.1R1, and all subsequent releases. This issue is being tracked as 1395205 . Workaround: There are no viable 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: 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) Severity Level: Medium 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." - -------------------------------------------------------------------------------- 2020-01 Security Bulletin: Junos OS: Improper handling of specific IPv6 packets sent by clients may cause client devices IPv6 traffic to be black holed, and eventually kernel crash (vmcore) the device. (CVE-2020-1603) Article ID : JSA10982 Last Updated: 08 Jan 2020 Version : 5.0 Product Affected: This issue affects Junos OS 16.1, 16.2, 17.1, 17.2, 17.3, 17.4, 18.1, 18.2, 18.2X75, 18.3, 18.4, 19.1, 19.2. Problem: Improper handling of specific IPv6 packets sent by clients may cause client devices IPv6 traffic to be black holed. Additionally, these specific IPv6 packets improperly attempt to egress the RE and cause a memory leak to occur within the Juniper Networks Junos OS device. This memory leak eventually leads to a kernel crash (vmcore) creating a Denial of Service (DoS) condition. Continued receipt and attempted egress of these specific IPv6 packets from the Routing Engine (RE) will create an extended Denial of Service condition. This issue affects: Juniper Networks Junos OS 16.1 versions prior to 16.1R7-S6; 16.1 version 16.1X70-D10 and later; 16.2 versions prior to 16.2R2-S11; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R1-S9, 17.2R2-S8, 17.2R3-S3; 17.3 versions prior to 17.3R3-S6; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R3-S2; 18.2X75 versions prior to 18.2X75-D50, 18.2X75-D410; 18.3 versions prior to 18.3R1-S6, 18.3R2-S2, 18.3R3; 18.4 versions prior to 18.4R2-S2, 18.4R3; 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 releases prior to Junos OS 16.1R1. This issue may occur when an interface is configured with IPv6. For example: [interfaces fe-1/2/0 unit 1 family inet6 address 2001:db8:0:1::/64] 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-2020-1603 . Solution: The following software releases have been updated to resolve this specific issue: 16.1R7-S6, 16.2R2-S11, 17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R2-S8, 17.2R3-S3, 17.3R3-S6, 17.4R2-S5, 17.3R2-S6, 17.4R3, 18.1R3-S7, 18.2R3-S2, 18.2X75-D50, 18.2X75-D410, 18.3R1-S6, 18.3R2-S2, 18.3R3, 18.4R2-S2, 18.4R3, 19.1R1-S3, 19.1R2, 19.2R1-S2, 19.2R2, 19.3R1, and all subsequent releases. This issue is being tracked as 1443576 . Workaround: Remove 'family inet6' from interfaces. Otherwise, there are no available workarounds for this issue. You may issue the follow command from time to time to determine if your mbufs are climbing or are being released by reviewing across two separate times. The required privilege level to run the command is: view. show system buffers Implementation: Software Releases, patches and updates are available at https://www.juniper.net /support/downloads/ . Modification History: 2020-01-08: Initial Publication. CVSS Score: 8.6 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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." - -------------------------------------------------------------------------------- 2020-01 Security Bulletin: Junos OS: Path traversal vulnerability in J-Web (CVE-2020-1606) Article ID : JSA10985 Last Updated: 08 Jan 2020 Version : 4.0 Product Affected: This issue affects Junos OS 12.3, 12.3X48, 14.1X53, 15.1, 15.1F6, 15.1X49, 15.1X53, 16.1, 16.2, 17.1, 17.2, 17.3, 17.4, 18.1, 18.2, 18.3, 18.4, 19.1. Problem: A path traversal vulnerability in the Juniper Networks Junos OS device may allow an authenticated J-web user to read files with 'world' readable permission and delete files with 'world' writeable permission. This issue does not affect system files that can be accessed only by root user. This issue affects Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S13; 12.3X48 versions prior to 12.3X48-D85 on SRX Series; 14.1X53 versions prior to 14.1X53-D51; 15.1F6 versions prior to 15.1F6-S13; 15.1 versions prior to 15.1R7-S5; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238 on QFX5200/QFX5110 Series; 16.1 versions prior to 16.1R4-S13, 16.1R7-S5; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R3-S1; 17.2 versions prior to 17.2R1-S9, 17.2R3-S2; 17.3 versions prior to 17.3R2-S5, 17.3R3-S5; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S4, 19.1R2. This issue requires J-Web to be enabled on the device. The examples of the config stanza affected by this issue: [system services web-management http] [system services web-management https] Juniper SIRT is not aware of any malicious exploitation of this vulnerability. This issue was discovered during an external security research. This issue has been assigned CVE-2020-1606 . Solution: The following software releases have been updated to resolve this specific issue: 12.3R12-S13, 12.3X48-D85, 14.1X53-D51, 15.1F6-S13, 15.1R7-S5, 15.1X49-D180, 15.1X53-D238, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10, 17.1R3-S1, 17.2R1-S9, 17.2R3-S2, 17.3R2-S5, 17.3R3-S5, 17.4R2-S9, 17.4R3, 18.1R3-S8, 18.2R3, 18.3R2-S3, 18.3R3, 18.4R2, 19.1R1-S4, 19.1R2, 19.2R1, and all subsequent releases. This issue is being tracked as 1431298 . Workaround: Limit access to the J-Web interface to only trusted users to reduce risks of exploitation of this vulnerability. Implementation: Software Releases, patches and updates are available at https://www.juniper.net /support/downloads/ . Modification History: 2020-01-08: Initial Publication. CVSS Score: 5.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N) Severity Level: Medium Acknowledgements: The Juniper SIRT would like to would like to acknowledge and thank Toshitsugu Yoneyama of Mitsui Bussan Secure Directions, Inc. for finding and reporting this issue. - -------------------------------------------------------------------------------- 2020-01 Security Bulletin: Junos OS: Cross-Site Scripting (XSS) in J-Web (CVE-2020-1607) Article ID : JSA10986 Last Updated: 08 Jan 2020 Version : 3.0 Product Affected: This issue affects Junos OS 12.3, 12.3X48, 14.1X53, 15.1, 15.1F6, 15.1X49, 15.1X53, 16.1, 16.2, 17.1, 17.2, 17.3, 17.4, 18.1, 18.2, 18.3, 18.4, 19.1. Problem: Insufficient Cross-Site Scripting (XSS) protection in J-Web may potentially allow a remote attacker to inject web script or HTML, hijack the target user's J-Web session and perform administrative actions on the Junos device as the targeted user. This issue affects Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S15; 12.3X48 versions prior to 12.3X48-D86, 12.3X48-D90 on SRX Series; 14.1X53 versions prior to 14.1X53-D51 on EX and QFX Series; 15.1F6 versions prior to 15.1F6-S13; 15.1 versions prior to 15.1R7-S5; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190 on SRX Series; 15.1X53 versions prior to 15.1X53-D238 on QFX5200/QFX5110 Series; 15.1X53 versions prior to 15.1X53-D592 on EX2300/EX3400 Series; 16.1 versions prior to 16.1R4-S13, 16.1R7-S5; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R1-S9, 17.2R3-S2; 17.3 versions prior to 17.3R2-S5, 17.3R3-S5; 17.4 versions prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S5, 18.2R3; 18.3 versions prior to 18.3R1-S6, 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R1-S5, 18.4R2; 19.1 versions prior to 19.1R1-S2, 19.1R2. This issue requires J-Web to be enabled on the device. The examples of the config stanza affected by this issue: system services web-management http system services web-management https This issue was discovered during an external security research. This issue has been assigned CVE-2020-1607 . Solution: The following software releases have been updated to resolve this specific issue: 12.3R12-S15, 12.3X48-D86, 12.3X48-D90, 14.1X53-D51, 15.1F6-S13,15.1R7-S5, 15.1X49-D181, 15.1X49-D190, 15.1X53-D238, 15.1X53-D592, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10,17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R3-S2, 17.3R2-S5, 17.3R3-S5, 17.4R2-S6, 17.4R3, 18.1R3-S7,18.2R2-S5, 18.2R3, 18.3R1-S6, 18.3R2-S1, 18.3R3, 18.4R1-S5, 18.4R2, 19.1R1-S2, 19.1R2, 19.2R1, and all subsequent releases. This issue is being tracked as 1434553 . Workaround: Access the J-Web service from trusted hosts which may not be compromised by cross-site scripting attacks, for example, deploying jump hosts with no internet access. Alternatively, disable J-Web. 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:H/PR:N/UI:R/S:U/C:H/I:H/A:H) Severity Level: High Acknowledgements: The Juniper SIRT would like to would like to acknowledge and thank Toshitsugu Yoneyama of Mitsui Bussan Secure Directions, Inc. for finding and reporting this issue. - --------------------------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. 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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 iQIVAwUBXha5SWaOgq3Tt24GAQgbfxAAqVApFi9XJIol9RkgW6G/775MZmPeA93y 7VRR/dIQPJn3fOHvdpL3BKSmf2t/WJoOeWmD1qko5yLmO/be13K5MWL6ZNMPZ78e G3eStgzgEo0ZyIB2e5bWAkdk9rD/AeNNxo/dFF5HNGQFzHmimXyB0aqBvgDzRPVw TLnhIFUyHI9sIKWiT4JRossI1uP/XR8tWVYX7Pykr0UILUqje8ROx5YHlgcJ2f1a TKSJ5h810Ap65i6tWSKpx3qdlo/smoYG17ifpKNHF1yTf6kNp234ZEhE90j9ueL2 +a8e7XYJ42aqEiM0ZmM4/W2knWwyq7FqBZVZEWaMLhKeYj9g0bMEDuLRGh8WAwKM 2VQAnAxoZ9EFSBbwPBd9J1bX4lBuUwMFuw/8IBUHE04wb/vstg5WhKdCE2miatyV yjA3iQ4eAwV5R2ypgVo0rFzE7FTJphdvGWmf8rIChd0/U5bXObPT7qXhbh8Bw/eF tLcV1ccJ2Pt2ZDTg/qQyY2hYQsrz4V2TyY8+DGMQ4xzqJ58PtTrpwby8ghLV16q3 VNFiI3x+dw9pH8g2ddKZOacz1RhoOhjiKb/29rcBaKDYAmT/9axaoPWoFs3mExKC 9Auz+qdxRsMOMt2L4AYoHXI1lydSOdD2tSbajK+6uXRhwnlZohI2tMQqtK7ia3qE pEU4EgAno9w= =AIWi -----END PGP SIGNATURE-----