CVE-2024-30405

Junos OS: SRX 5000 Series with SPC2: Processing of specific crafted packets when ALG is enabled causes a transit traffic Denial of Service

State: Published
Severity: 8.7 High
Published: Apr 12, 2024
Updated: Aug 12, 2024
Reserved: Mar 26, 2024

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Description

An Incorrect Calculation of Buffer Size vulnerability in Juniper Networks Junos OS SRX 5000 Series devices using SPC2 line cards while ALGs are enabled allows an attacker sending specific crafted packets to cause a transit traffic Denial of Service (DoS).

Continued receipt and processing of these specific packets will sustain the Denial of Service condition.

This issue affects: Juniper Networks Junos OS SRX 5000 Series with SPC2 with ALGs enabled. * All versions earlier than 21.2R3-S7; * 21.4 versions earlier than 21.4R3-S6; * 22.1 versions earlier than 22.1R3-S5; * 22.2 versions earlier than 22.2R3-S3; * 22.3 versions earlier than 22.3R3-S2; * 22.4 versions earlier than 22.4R3; * 23.2 versions earlier than 23.2R2.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L	juniper
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	juniper

Weaknesses

CWE-131 Incorrect Calculation of Buffer Size

Affected Products

Product	Versions
Junos OSJuniper Networks	before 21.2R3-S7Affected 21.4 to before 21.4R3-S6Affected 22.1 to before 22.1R3-S5Affected 22.2 to before 22.2R3-S3Affected 22.3 to before 22.3R3-S2Affected 22.4 to before 22.4R3Affected 23.2 to before 23.2R2Affected

References

https://supportportal.juniper.net/JSA79105vendor-advisory
https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Ltechnical-description

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