medium
6.8
CWE
835 400
Advisory Published
Updated

CVE-2020-1600: Junos OS: A specific SNMP command can trigger a high CPU usage Denial of Service in the RPD daemon.

First published: Wed Jan 15 2020(Updated: )

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 18.4R2; 19.1 versions prior to 19.1R2.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Junos OS Evolved=12.3x48-d10
Junos OS Evolved=12.3x48-d15
Junos OS Evolved=12.3x48-d20
Junos OS Evolved=12.3x48-d25
Junos OS Evolved=12.3x48-d30
Junos OS Evolved=12.3x48-d35
Junos OS Evolved=12.3x48-d40
Junos OS Evolved=12.3x48-d45
Junos OS Evolved=12.3x48-d50
Junos OS Evolved=12.3x48-d55
Junos OS Evolved=12.3x48-d60
Junos OS Evolved=12.3x48-d65
Junos OS Evolved=12.3x48-d70
Junos OS Evolved=12.3x48-d75
Junos OS Evolved=12.3x48-d80
Junos OS Evolved=12.3x48-d85
Junos OS Evolved=15.1-r7
Junos OS Evolved=15.1-r7-s1
Junos OS Evolved=15.1-r7-s2
Junos OS Evolved=15.1-r7-s3
Junos OS Evolved=15.1-r7-s4
Junos OS Evolved=15.1-r7-s5
Junos OS Evolved=15.1x49-d10
Junos OS Evolved=15.1x49-d150
Junos OS Evolved=15.1x49-d20
Junos OS Evolved=15.1x49-d30
Junos OS Evolved=15.1x49-d35
Junos OS Evolved=15.1x49-d40
Junos OS Evolved=15.1x49-d45
Junos OS Evolved=15.1x49-d50
Junos OS Evolved=15.1x49-d55
Junos OS Evolved=15.1x49-d60
Junos OS Evolved=15.1x49-d65
Junos OS Evolved=15.1x49-d70
Junos OS Evolved=15.1x49-d75
Junos OS Evolved=15.1x49-d80
Junos OS Evolved=15.1x53-d20
Junos OS Evolved=15.1x53-d21
Junos OS Evolved=15.1x53-d210
Junos OS Evolved=15.1x53-d25
Junos OS Evolved=15.1x53-d30
Junos OS Evolved=15.1x53-d31
Junos OS Evolved=15.1x53-d32
Junos OS Evolved=15.1x53-d33
Junos OS Evolved=15.1x53-d34
Junos OS Evolved=15.1x53-d40
Junos OS Evolved=15.1x53-d45
Junos OS Evolved=15.1x53-d470
Junos OS Evolved=15.1x53-d495
Junos OS Evolved=15.1x53-d56
Junos OS Evolved=15.1x53-d60
Junos OS Evolved=15.1x53-d61
Junos OS Evolved=15.1x53-d62
Junos OS Evolved=15.1x53-d63
Junos OS Evolved=15.1x53-d65
Junos OS Evolved=15.1x53-d70
Junos OS Evolved=16.1
Junos OS Evolved=16.1-r1
Junos OS Evolved=16.1-r2
Junos OS Evolved=16.1-r3
Junos OS Evolved=16.1-r3-s10
Junos OS Evolved=16.1-r4
Junos OS Evolved=16.1-r5
Junos OS Evolved=16.1-r5-s4
Junos OS Evolved=16.1-r6
Junos OS Evolved=16.1-r6-s1
Junos OS Evolved=16.1-r7
Junos OS Evolved=16.1-r7-s2
Junos OS Evolved=16.1-r7-s3
Junos OS Evolved=16.1-r7-s4
Junos OS Evolved=16.2
Junos OS Evolved=16.2-r1
Junos OS Evolved=16.2-r2
Junos OS Evolved=16.2-r2-s1
Junos OS Evolved=16.2-r2-s10
Junos OS Evolved=16.2-r2-s2
Junos OS Evolved=16.2-r2-s5
Junos OS Evolved=16.2-r2-s6
Junos OS Evolved=16.2-r2-s7
Junos OS Evolved=16.2-r2-s8
Junos OS Evolved=16.2-r2-s9
Junos OS Evolved=17.1
Junos OS Evolved=17.1-r1
Junos OS Evolved=17.1-r2-s1
Junos OS Evolved=17.1-r2-s10
Junos OS Evolved=17.1-r2-s2
Junos OS Evolved=17.1-r2-s3
Junos OS Evolved=17.1-r2-s4
Junos OS Evolved=17.1-r2-s5
Junos OS Evolved=17.1-r2-s6
Junos OS Evolved=17.1-r2-s7
Junos OS Evolved=17.1-r2-s9
Junos OS Evolved=17.1-r3
Junos OS Evolved=17.2
Junos OS Evolved=17.2-r1-s2
Junos OS Evolved=17.2-r1-s4
Junos OS Evolved=17.2-r1-s7
Junos OS Evolved=17.2-r1-s8
Junos OS Evolved=17.2-r2-s6
Junos OS Evolved=17.2-r2-s7
Junos OS Evolved=17.2-r3-s1
Junos OS Evolved=17.3
Junos OS Evolved=17.3-r1-s1
Junos OS Evolved=17.3-r2
Junos OS Evolved=17.3-r2-s1
Junos OS Evolved=17.3-r2-s2
Junos OS Evolved=17.3-r3-s1
Junos OS Evolved=17.3-r3-s2
Junos OS Evolved=17.3-r3-s3
Junos OS Evolved=17.3-r3-s4
Junos OS Evolved=17.3-r3-s5
Junos OS Evolved=17.3-r3-s6
Junos OS Evolved=17.4
Junos OS Evolved=17.4-r1
Junos OS Evolved=17.4-r1-s1
Junos OS Evolved=17.4-r1-s2
Junos OS Evolved=17.4-r1-s4
Junos OS Evolved=17.4-r1-s6
Junos OS Evolved=17.4-r1-s7
Junos OS Evolved=17.4-r2
Junos OS Evolved=17.4-r2-s1
Junos OS Evolved=17.4-r2-s3
Junos OS Evolved=18.1
Junos OS Evolved=18.1-r2
Junos OS Evolved=18.1-r2-s1
Junos OS Evolved=18.1-r2-s2
Junos OS Evolved=18.1-r2-s4
Junos OS Evolved=18.1-r3
Junos OS Evolved=18.1-r3-s2
Junos OS Evolved=18.1-r3-s3
Junos OS Evolved=18.1-r3-s4
Junos OS Evolved=18.2
Junos OS Evolved=18.2-r1-s5
Junos OS Evolved=18.2-r2-s1
Junos OS Evolved=18.2-r2-s2
Junos OS Evolved=18.2-r2-s3
Junos OS Evolved=18.2-r2-s4
Junos OS Evolved=18.2-r2-s5
Junos OS Evolved=18.2-r2-s6
Junos OS Evolved=18.2x75
Junos OS Evolved=18.2x75-d20
Junos OS Evolved=18.2x75-d40
Junos OS Evolved=18.3
Junos OS Evolved=18.3-r1
Junos OS Evolved=18.3-r1-s1
Junos OS Evolved=18.3-r1-s2
Junos OS Evolved=18.3-r1-s3
Junos OS Evolved=18.3-r2
Junos OS Evolved=18.4
Junos OS Evolved=18.4-r1
Junos OS Evolved=18.4-r1-s1
Junos OS Evolved=18.4-r1-s2
Junos OS Evolved=18.4-r1-s3
Junos OS Evolved=18.4-r1-s4
Junos OS Evolved=18.4-r1-s5
Junos OS Evolved=19.1-r1

Remedy

The following software releases have been updated to resolve this specific issue: 12.3X48-D90, 15.1X49-D200, 15.1R7-S6, 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, 18.4R2, 19.1R2, 19.2R1, and all subsequent releases.

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-1600?

    CVE-2020-1600 has been classified with a high severity level due to the potential for high CPU usage leading to a Denial of Service.

  • How do I fix CVE-2020-1600?

    To mitigate CVE-2020-1600, it is recommended to install the latest patches provided by Juniper Networks for affected Junos OS versions.

  • What versions of Junos OS are affected by CVE-2020-1600?

    CVE-2020-1600 affects several versions of Junos OS including 12.3x48, 15.1, and 16.1 through 18.4.

  • What type of vulnerability is CVE-2020-1600?

    CVE-2020-1600 is classified as an uncontrolled resource consumption vulnerability affecting the Routing Protocol Daemon.

  • Is there a workaround for CVE-2020-1600?

    Currently, the best approach is to apply the available patches from Juniper Networks as there are no official workarounds for CVE-2020-1600.

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