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VAR-202201-1560

Vulnerability from variot - Updated: 2024-11-23 23:00

A traffic classification vulnerability in Juniper Networks Junos OS on the SRX Series Services Gateways may allow an attacker to bypass Juniper Deep Packet Inspection (JDPI) rules and access unauthorized networks or resources, when 'no-syn-check' is enabled on the device. JDPI incorrectly classifies out-of-state asymmetric TCP flows as the dynamic-application INCONCLUSIVE instead of UNKNOWN, which is more permissive, causing the firewall to allow traffic to be forwarded that should have been denied. This issue only occurs when 'set security flow tcp-session no-syn-check' is configured on the device. This issue affects Juniper Networks Junos OS on SRX Series: 18.4 versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R2-S5, 19.4R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3-S1; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 18.4R1

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CVE-2022-22157 (GCVE-0-2022-22157)

Vulnerability from cvelistv5 – Published: 2022-01-19 00:21 – Updated: 2024-09-17 04:04

Title

Junos OS: SRX Series: Traffic classification vulnerability when 'no-syn-check' is enabled

Summary

Severity ?

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CWE

CWE-863 - Incorrect Authorization

Assigner

juniper

References

URL

Tags

https://kb.juniper.net/JSA11265

x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

Juniper Networks

Junos OS

Affected: 18.4 , < 18.4R2-S9, 18.4R3-S9 (custom)
Affected: 19.1 , < 19.1R2-S3, 19.1R3-S6 (custom)
Affected: 19.2 , < 19.2R1-S7, 19.2R3-S3 (custom)
Affected: 19.3 , < 19.3R2-S6, 19.3R3-S2 (custom)
Affected: 19.4 , < 19.4R2-S5, 19.4R3-S3 (custom)
Affected: 20.1 , < 20.1R2-S2, 20.1R3 (custom)
Affected: 20.2 , < 20.2R3-S1 (custom)
Affected: 20.3 , < 20.3R3 (custom)
Affected: 20.4 , < 20.4R2-S1, 20.4R3 (custom)
Affected: 21.1 , < 21.1R1-S1, 21.1R2 (custom)

Juniper Networks

Junos OS

Unaffected: unspecified , < 18.4R1 (custom)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202201-1560

CVE-2022-22157 (GCVE-0-2022-22157)

Tags

Sightings

Nomenclature