Rapid7 Vulnerability & Exploit Database

Juniper Junos OS: 2022-01 Security Bulletin: SRX Series, and MX Series with SPC3: A high percentage of fragments might lead to high latency or packet drops (JSA11261) (CVE-2022-22153)

Back to Search

Juniper Junos OS: 2022-01 Security Bulletin: SRX Series, and MX Series with SPC3: A high percentage of fragments might lead to high latency or packet drops (JSA11261) (CVE-2022-22153)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
01/19/2022
Created
03/21/2022
Added
03/21/2022
Modified
03/21/2022

Description

An Insufficient Algorithmic Complexity combined with an Allocation of Resources Without Limits or Throttling vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series and MX Series with SPC3 allows an unauthenticated network attacker to cause latency in transit packet processing and even packet loss. If transit traffic includes a significant percentage (> 5%) of fragmented packets which need to be reassembled, high latency or packet drops might be observed. This issue affects Juniper Networks Junos OS on SRX Series, MX Series with SPC3: All versions prior to 18.2R3; 18.3 versions prior to 18.3R3; 18.4 versions prior to 18.4R2-S9, 18.4R3; 19.1 versions prior to 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2.

Solution(s)

  • juniper-junos-os-upgrade-latest

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;