Junos OS: MX Series and SRX Series: The flow processing daemon (flowd) will crash if the SIP ALG is enabled and specific SIP messages are processed
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||
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| Juniper Networks | Junos OS | affected |
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Configuration 1 [-]
| AND |
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No data.
No data available yet.
Vendor Solution
The following software releases have been updated to resolve this specific issue: 20.4R3-S4, 21.1R3-S3, 21.2R3-S2, 21.3R3, 21.4R3, 22.1R2, 22.2R1, and all subsequent releases.
Vendor Workaround
There are no known workarounds for this issue, but it should be considered to disable the SIP ALG if it's not strictly needed.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-26575 | An Improper Locking vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC or MS-MIC card and SRX Series allows an unauthenticated, network-based attacker to cause a flow processing daemon (flowd) crash and thereby a Denial of Service (DoS). Continued receipt of these specific packets will cause a sustained Denial of Service condition. This issue occurs when SIP ALG is enabled and specific SIP messages are processed simultaneously. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1 on MX Series, or SRX Series. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.498% probability within 30 days)
| Link | Providers |
|---|---|
| https://kb.juniper.net/JSA70208 |
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