Riskcovery

CVE-2024-39539

Junos OS: MX Series: Continuous subscriber logins will lead to a memory leak and eventually an FPC crash

State
Published
Severity
6.0 Medium
Published
Jul 11, 2024
Updated
Aug 2, 2024
Reserved
Jun 25, 2024

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.06.0 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Ljuniper
3.15.3 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-401 Missing Release of Memory after Effective Lifetime

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 21.2R3-S6Affected
  • 21.4 to before 21.4R3-S6Affected
  • 22.1 to before 22.1R3-S5Affected
  • 22.2 to before 22.2R3-S3Affected
  • 22.3 to before 22.3R3-S2Affected
  • 22.4 to before 22.4R3Affected
  • 23.2 to before 23.2R2Affected

References

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