CVE-2022-22207
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A Use After Free vulnerability in the Advanced Forwarding Toolkit (AFT) manager process (aftmand) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a kernel crash due to intensive polling of Abstracted Fabric (AF) interface statistics and thereby a Denial of Service (DoS). Continued gathering of AF interface statistics will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on MX Series: 20.1 versions later than 20.1R1; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2; 21.2 versions prior to 21.2R2.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Juniper Networks | Junos OS | 20.1R1 < 20.1* | affected |
| Juniper Networks | Junos OS | 20.2 < 20.2R3-S5 | affected |
| Juniper Networks | Junos OS | 20.3 < 20.3R3-S4 | affected |
| Juniper Networks | Junos OS | 20.4 < 20.4R3 | affected |
| Juniper Networks | Junos OS | 21.1 < 21.1R2 | affected |
| Juniper Networks | Junos OS | 21.2 < 21.2R2 | affected |
Weaknesses
- CWE-416: CWE-416 Use After Free
- Denial of Service (DoS)
Workarounds
There are no viable workarounds for this issue. To reduce the risk of exploitation of this issue, use access lists or firewall filters to limit access to only trusted networks, hosts and users.
ADP Enrichment
CVE Program Container
Additional References
References
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