title: Junos OS: A flowspec BGP update with a specific term-order causes routing protocol daemon (rpd) process to crash with a core.
description: When a specific BGP flowspec configuration is enabled and upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, a reachable assertion failure occurs, causing the routing protocol daemon (rpd) process to crash with a core file being generated. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D77 on SRX Series; 12.3 versions prior to 12.3R12-S10; 12.3X48 versions prior to 12.3X48-D70 on SRX Series; 14.1X53 versions prior to 14.1X53-D47 on EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100; 15.1 versions prior to 15.1R3; 15.1F versions prior to 15.1F3; 15.1X49 versions prior to 15.1X49-D140 on SRX Series; 15.1X53 versions prior to 15.1X53-D59 on EX2300/EX3400.
problem types: Incomplete assertion
CWE-617: Reachable Assertion
Denial of Service
CAPEC:
.262 Manipulate System Resources
.262.607 Obstruction
.262.607.582 Route Disabling
.262.607.582.584 BGP Route Disabling
affected:
{
platforms: SRX Series
product: Junos OS
vendor: Juniper Networks
versions:
lessThan: 12.1X46-D77, status: affected, version: 12.1X46, versionType: custom
lessThan: 12.3X48-D70, status: affected, version: 12.3X48, versionType: custom
lessThan: 15.1X49-D140, status: affected, version: 15.1X49, versionType: custom
}
{
product: Junos OS
vendor: Juniper Networks
versions:
lessThan: 12.3R12-S10, status: affected, version: 12.3, versionType: custom
lessThan: 15.1R3, status: affected, version: 15.1, versionType: custom
lessThan: 15.1F3, status: affected, version: 15.1F, versionType: custom
}
{
platforms: EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100
product: Junos OS
vendor: Juniper Networks
versions:
lessThan: 14.1X53-D47, status: affected, version: 14.1X53, versionType: custom
}
{
platforms: EX2300/EX3400
product: Junos OS
vendor: Juniper Networks
versions:
lessThan: 15.1X53-D59, status: affected, version: 15.1X53, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.0
]
exploits: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
solutions: The following software releases have been updated to resolve this specific issue: 12.1X46-D77, 12.3R12-S10, 12.3X48-D70, 14.1X53-D47, 15.1F3, 15.1R3, 15.1X49-D140, 15.1X53-D59, 16.1R1 and all subsequent releases.
workarounds: Disable BGP flowspec.
There are no other available workarounds for this issue.