Junos OS: MX Series: Continuous subscriber logins will lead to a memory leak and eventually an FPC crash
A Missing Release of Memory after Effective Lifetime vulnerability in Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial-of-Service (DoS).
In a subscriber management scenario continuous subscriber logins will trigger a memory leak and eventually lead to an FPC crash and restart.
This issue affects Junos OS on MX Series:
* All version before 21.2R3-S6,
* 21.4 versions before 21.4R3-S6,
* 22.1 versions before 22.1R3-S5,
* 22.2 versions before 22.2R3-S3,
* 22.3 versions before 22.3R3-S2,
* 22.4 versions before 22.4R3,
* 23.2 versions before 23.2R2.
Problem Types
| Type | CWE ID | Description |
|---|
| CWE | CWE-401 | CWE-401 Missing Release of Memory after Effective Lifetime |
Type: CWE
Description: CWE-401 Missing Release of Memory after Effective Lifetime
Metrics
| Version | Base score | Base severity | Vector |
|---|
| 3.1 | 5.3 | MEDIUM | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 4.0 | 6.0 | MEDIUM | CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L |
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 6.0
Base severity: MEDIUM
Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L