QID 44013

Date Published: 2023-04-18

QID 44013: Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA70591)

Juniper Junos is the network operating system used in Juniper Networks hardware systems.

A Use of Uninitialized Resource vulnerability in the Border Gateway Protocol (BGP) software of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to send specific genuine BGP packets to a device configured with BGP to cause a Denial of Service (DoS) by crashing the Routing Protocol Daemon (rpd). This issue is triggered when the packets attempt to initiate a BGP connection before a BGP session is successfully established.

This issue affects:
21.1R1 and later versions prior to 21.1R3-S5
21.2R1 and later versions prior to 21.2R3-S2
21.3R1 and later versions prior to 21.3R3-S2
21.4 versions prior to 21.4R3
22.1 versions prior to 22.1R3
22.2 versions prior to 22.2R2.

QID detection logic: (Authenticated)
It checks for vulnerable Junos OS version.

Successful exploit may allow an unauthenticated, network based attacker to cause a Denial of Service (DoS).

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as High - 7.8 severity.

Solution

The vendor has released fixes.
For more information please visit JSA70591.

Vendor References

JSA70591 - kb.juniper.net/JSA70591

CVEs related to QID 44013

CVE-2023-28967 |

Software Advisories

Advisory ID	Software	Component	Link
JSA70591			kb.juniper.net/JSA70591

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