PT-2022-3957 · Juniper Networks · Junos

Published 2022-07-13 · Updated 2022-07-27 · CVE-2022-22203

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS version 19.4R3-S4

Description An Incorrect Comparison issue in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a Denial of Service (DoS). On QFX5000 Series, and EX4600 and EX4650 platforms, the fxpc process will crash followed by the FPC reboot upon receipt of a specific hostbound packet. Continued receipt of these specific packets will create a sustained Denial of Service (DoS) condition.

Recommendations For Juniper Networks Junos OS version 19.4R3-S4, consider applying a patch or update to resolve the issue, as this version is specifically affected by the Incorrect Comparison vulnerability. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-697

Related Identifiers

BDU:2022-04789

CVE-2022-22203

Affected Products

Junos

References · 5

• https://kb.juniper.net/JSA69707 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-22203 · Security Note
• https://bdu.fstec.ru/vul/2022-04789 · Security Note
• https://osv.dev/vulnerability/CVE-2022-22203 · Vendor Advisory
• https://t.me/cibsecurity/46665 · Telegram Post