high
7.5
Advisory Published
Updated

CVE-2019-0050: Junos OS: SRX1500: Denial of service due to crash of srxpfe process under heavy traffic conditions.

First published: Wed Oct 09 2019(Updated: )

Under certain heavy traffic conditions srxpfe process can crash and result in a denial of service condition for the SRX1500 device. Repeated crashes of the srxpfe can result in an extended denial of service condition. The SRX device may fail to forward traffic when this condition occurs. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D170 on SRX1500; 17.3 versions prior to 17.3R3-S7 on SRX1500; 17.4 versions prior to 17.4R2-S8, 17.4R3 on SRX1500; 18.1 versions prior to 18.1R3-S8 on SRX1500; 18.2 versions prior to 18.2R3 on SRX1500; 18.3 versions prior to 18.3R2 on SRX1500; 18.4 versions prior to 18.4R2 on SRX1500.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper Junos=15.1x49-d100
Juniper Junos=15.1x49-d110
Juniper Junos=15.1x49-d120
Juniper Junos=15.1x49-d130
Juniper Junos=15.1x49-d140
Juniper Junos=15.1x49-d150
Juniper Junos=15.1x49-d160
Juniper Junos=15.1x49-d30
Juniper Junos=15.1x49-d40
Juniper Junos=15.1x49-d50
Juniper Junos=15.1x49-d60
Juniper Junos=15.1x49-d70
Juniper Junos=15.1x49-d75
Juniper Junos=15.1x49-d80
Juniper Junos=15.1x49-d90
Juniper SRX1500
Juniper Junos=17.3
Juniper Junos=17.3-r2
Juniper Junos=17.3-r2-s1
Juniper Junos=17.3-r2-s2
Juniper Junos=17.3-r3-s1
Juniper Junos=17.3-r3-s2
Juniper Junos=17.3-r3-s3
Juniper Junos=17.3-r3-s4
Juniper Junos=17.4
Juniper Junos=17.4-r1
Juniper Junos=17.4-r1-s1
Juniper Junos=17.4-r1-s2
Juniper Junos=17.4-r1-s4
Juniper Junos=17.4-r1-s6
Juniper Junos=17.4-r1-s7
Juniper Junos=17.4-r2
Juniper Junos=17.4-r2-s1
Juniper Junos=17.4-r2-s3
Juniper Junos=17.4-r2-s4
Juniper Junos=18.1
Juniper Junos=18.1-r2
Juniper Junos=18.1-r2-s1
Juniper Junos=18.1-r2-s2
Juniper Junos=18.1-r2-s4
Juniper Junos=18.1-r3
Juniper Junos=18.1-r3-s2
Juniper Junos=18.1-r3-s3
Juniper Junos=18.1-r3-s4
Juniper Junos=18.2
Juniper Junos=18.2-r1-s5
Juniper Junos=18.2-r2-s1
Juniper Junos=18.2-r2-s2
Juniper Junos=18.2-r2-s3
Juniper Junos=18.2-r2-s4
Juniper Junos=18.3
Juniper Junos=18.3-r1
Juniper Junos=18.3-r1-s1
Juniper Junos=18.3-r1-s2
Juniper Junos=18.3-r1-s3
Juniper Junos=18.4
Juniper Junos=18.4-r1
Juniper Junos=18.4-r1-s2

Remedy

The following software releases have been updated to resolve this specific issue: 15.1X49-D170, 17.3R3-S7(pending), 17.4R2-S8, 17.4R3, 18.1R3-S8, 18.2R3, 18.3R2, 18.4R2, 19.1R1, and all subsequent releases.

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-0050?

    CVE-2019-0050 is classified as a denial of service vulnerability that can impact network availability.

  • Which devices are affected by CVE-2019-0050?

    CVE-2019-0050 affects Juniper SRX1500 devices running specific versions of Junos software.

  • How do I fix CVE-2019-0050?

    To mitigate CVE-2019-0050, it is recommended to update the affected Junos software to the latest version provided by Juniper.

  • What impact does CVE-2019-0050 have on the SRX1500 device?

    CVE-2019-0050 can cause the srxpfe process to crash, leading to an extended denial of service condition.

  • Is there a workaround for CVE-2019-0050?

    As of now, a specific workaround for CVE-2019-0050 is not documented, so upgrading the software is the best course of action.

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