QID 44188

QID 44188: Juniper Network Operating System (Junos OS) SRX Series Denial of Service (DoS) Vulnerability (JSA70207)

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).

These issues affect Juniper Networks Junos OS on EX and SRX Series
Affected Juniper Networks Junos OS versions:
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
QID detection logic: (Authenticated)
This QID checks for vulnerable Junos OS version.

QID detection logic: (Unauthenticated)
This QID checks SNMP banner for vulnerable version of JunOS.

Note: As the ALG status cannot be checked for now hence the QID is practice

Successful exploitation of this vulnerability may cause Denial of Service (DoS).

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as High - 7.8 severity.

Solution

The following software releases have been updated to resolve this specific issue: 21.2R3-S7, 21.4R3-S6, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases. Please refer JSA79105

Vendor References

JSA79105 - kb.juniper.net/JSA79105

CVEs related to QID 44188

CVE-2024-30405 |

Software Advisories

Advisory ID	Software	Component	Link
JSA79105			kb.juniper.net/JSA79105

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