Riskcovery

CVE-2024-39548

Junos OS Evolved: Receipt of specific packets in the aftmand process will lead to a memory leak

State
Published
Severity
7.1 High
Published
Jul 11, 2024
Updated
Aug 2, 2024
Reserved
Jun 25, 2024

Read the record on cve.org

Description

An Uncontrolled Resource Consumption vulnerability in the aftmand process of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to consume memory resources, resulting in a Denial of Service (DoS) condition. The processes do not recover on their own and must be manually restarted.

This issue affects both IPv4 and IPv6.

Changes in memory usage can be monitored using the following CLI command: user@device> show system memory node <fpc slot> | grep evo-aftmann This issue affects Junos OS Evolved:

* All versions before 21.2R3-S8-EVO,  * 21.3 versions before 21.3R3-S5-EVO,  * 21.4 versions before 21.4R3-S5-EVO,  * 22.1 versions before 22.1R3-S4-EVO,  * 22.2 versions before 22.2R3-S4-EVO, * 22.3 versions before 22.3R3-S3-EVO, * 22.4 versions before 22.4R2-S2-EVO, 22.4R3-EVO,  * 23.2 versions before 23.2R1-S1-EVO, 23.2R2-EVO.

Scores

CVSSScoreVectorSource
4.07.1 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:Ujuniper
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-400 Uncontrolled Resource Consumption

Affected Products

ProductVersions
Junos OS EvolvedJuniper Networks
  • before 21.2R3-S8-EVOAffected
  • 21.3 to before 21.3R3-S5-EVOAffected
  • 21.4 to before 21.4R3-S5-EVOAffected
  • 22.1 to before 22.1R3-S4-EVOAffected
  • 22.2 to before 22.2R3-S4Affected
  • 22.3 to before 22.3R3-S3-EVOAffected
  • 22.4 to before 22.4R2-S2-EVO, 22.4R3-EVOAffected
  • 23.2 to before 23.2R1-S1-EVO, 23.2R2-EVOAffected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.