title: SRX Series: srxpfe process crash while JSF/UTM module parses specific HTTP packets
description: The srxpfe process may crash on SRX Series services gateways when the UTM module processes a specific fragmented HTTP packet. The packet is misinterpreted as a regular TCP packet which causes the processor to crash. This issue affects all SRX Series platforms that support URL-Filtering and have web-filtering enabled. Affected releases are Juniper Networks Junos OS: 12.3X48 versions prior to 12.3X48-D85 on SRX Series; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190 on SRX Series; 17.3 versions on SRX Series; 17.4 versions prior to 17.4R1-S8, 17.4R2-S5, 17.4R3 on SRX Series; 18.1 versions prior to 18.1R3-S6 on SRX Series; 18.2 versions prior to 18.2R2-S1, 18.2R3 on SRX Series; 18.3 versions prior to 18.3R1-S2, 18.3R2 on SRX Series; 18.4 versions prior to 18.4R1-S1, 18.4R2 on SRX Series.
problem types: CWE-404 Improper Resource Shutdown or Release
affected:
{
product: Junos OS
vendor: Juniper Networks
versions:
status: affected, version: 12.3X48 versions prior to 12.3X48-D85 on SRX Series
status: affected, version: 15.1X49 versions prior to 15.1X49-D181 and 15.1X49-D190 on SRX Series
status: affected, version: 17.3 versions on SRX Series
status: affected, version: 17.4 versions prior to 17.4R1-S8 and to 17.4R2-S5 and to 17.4R3 on SRX Series
status: affected, version: 18.1 versions prior to 18.1R3-S6 on SRX Series
status: affected, version: 18.2 versions prior to 18.2R2-S1 and to 18.2R3 on SRX Series
status: affected, version: 18.3 versions prior to 18.3R1-S2 and to 18.3R2 on SRX Series
status: affected, version: 18.4 versions prior to 18.4R1-S1 and to 18.4R2 on SRX Series
}
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: 12.3X48-D85, 12.3X48-D90, 15.1X49-D181, 15.1X49-D190, 17.4R1-S8, 17.4R2-S5, 17.4R3, 18.1R3-S6, 18.2R2-S1, 18.2R3, 18.3R1-S2, 18.3R2, 18.4R1-S1, 18.4R2, 19.1R1, 19.2R1, and all subsequent releases.
workarounds: This issue can be mitigated by enabling HTTP reassembly in the web-filtering configuration:
set security utm default-configuration web-filtering http-reassemble