QID 44149

Date Published: 2024-01-18

QID 44149: Juniper Network Operating System (Junos OS) Processing of a specific SIP packet causes NAT IP allocation to fail (JSA75757)

An Improper Validation of Syntactic Correctness of Input vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS).

Making this QID as practice as we cannot add SIP ALG enabled check in signature.
Affected Junos OS versions:
All versions earlier than 21.2R3-S6
21.3 versions earlier than 21.3R3-S5
21.4 versions earlier than 21.4R3-S5
22.1 versions earlier than 22.1R3-S4
22.2 versions earlier than 22.2R3-S3
22.3 versions earlier than 22.3R3-S1
22.4 versions earlier than 22.4R2-S2, 22.4R3
23.2 versions earlier than 23.2R1-S1, 23.2R2

NOTE:
This vulnerability only affects to MX Series and SRX series.

QID detection logic: (Authenticated)
It checks for vulnerable Junos OS version.

Successful exploitation of this vulnerability may cause a 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 For more information please visit JSA75757

Vendor References

JSA75757 - supportportal.juniper.net/JSA75757

CVEs related to QID 44149

CVE-2024-21616 |

Software Advisories

Advisory ID	Software	Component	Link
JSA75757			supportportal.juniper.net/s/article/2024-01-Security-Bulletin-Junos-OS-Processing-of-a-specific-SIP-packet-causes-NAT-IP-allocation-to-fail-CVE-2024-21616?language=en_US

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