CVE-2022-22170
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A Missing Release of Resource after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause heap memory to leak and on exhaustion the PFE to reset. The heap memory utilization can be monitored with the command: user@host> show chassis fpc This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions of Junos OS prior to 19.4R1.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Juniper Networks | Junos OS | unspecified < 19.4R1 | unaffected |
| Juniper Networks | Junos OS | 19.4 < 19.4R2-S6, 19.4R3-S6 | affected |
| Juniper Networks | Junos OS | 20.1 < 20.1R3-S2 | affected |
| Juniper Networks | Junos OS | 20.2 < 20.2R3-S3 | affected |
| Juniper Networks | Junos OS | 20.3 < 20.3R3-S1 | affected |
| Juniper Networks | Junos OS | 20.4 < 20.4R3 | affected |
| Juniper Networks | Junos OS | 21.1 < 21.1R3 | affected |
| Juniper Networks | Junos OS | 21.2 < 21.2R2 | affected |
Weaknesses
- Denial of Service (DoS)
- CWE-772: CWE-772 Missing Release of Resource after Effective Lifetime
Workarounds
There are no viable workarounds for this issue.
ADP Enrichment
CVE Program Container
Additional References
References
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