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.

The following SRX Series services gateway web-filtering configuration is required:

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-2019-0052 .
 

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.

This issue is being tracked as PR  1406403  which is visible on the Customer Support website.

Note: Juniper SIRT's  policy  is not to evaluate releases which are beyond End of Engineering (EOE) or End of Life (EOL).
 

Software Releases, patches and updates are available at  https://www.juniper.net/support/downloads/ .
 

This issue can be mitigated by enabling HTTP reassembly in the web-filtering configuration:

• ​2019-07-10: Initial Publication
  
  

• KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin Publication Process [juniper.net]
• KB16765: In which releases are vulnerabilities fixed? [juniper.net]
• KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories [juniper.net]
• Report a Security Vulnerability - How to Contact the Juniper Networks Security Incident Response Team
• CVE-2019-0052 at cve.mitre.org