8.2

CVE-2024-47494

Junos OS: Due to a race condition AgentD process causes a memory corruption and FPC reset

A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the AgentD process of Juniper Networks Junos OS allows an attacker who is already causing impact to established sessions which generates counter changes picked up by the AgentD process during telemetry polling, to move the AgentD process into a state where AgentD attempts to reap an already destroyed sensor. This reaping attempt then leads to memory corruption causing the FPC to crash which is a Denial of Service (DoS).





The FPC will recover automatically without user intervention after the crash.
This issue affects Junos OS: 

  *  All versions before 21.4R3-S9
  *  From 22.2 before 22.2R3-S5,
  *  From 22.3 before 22.3R3-S4,
  *  From 22.4 before 22.4R3-S3,
  *  From 23.2 before 23.2R2-S2,
  *  From 23.4 before 23.4R2.


This issue does not affect Junos OS Evolved.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Juniper ≫ Junos Version < 21.4
Juniper ≫ Junos Version 21.4 Update -
Juniper ≫ Junos Version 21.4 Update r1
Juniper ≫ Junos Version 21.4 Update r1-s1
Juniper ≫ Junos Version 21.4 Update r1-s2
Juniper ≫ Junos Version 21.4 Update r2
Juniper ≫ Junos Version 21.4 Update r2-s1
Juniper ≫ Junos Version 21.4 Update r2-s2
Juniper ≫ Junos Version 21.4 Update r3
Juniper ≫ Junos Version 21.4 Update r3-s1
Juniper ≫ Junos Version 21.4 Update r3-s2
Juniper ≫ Junos Version 21.4 Update r3-s3
Juniper ≫ Junos Version 21.4 Update r3-s4
Juniper ≫ Junos Version 21.4 Update r3-s5
Juniper ≫ Junos Version 21.4 Update r3-s6
Juniper ≫ Junos Version 21.4 Update r3-s7
Juniper ≫ Junos Version 21.4 Update r3-s8
Juniper ≫ Junos Version 22.2 Update -
Juniper ≫ Junos Version 22.2 Update r1
Juniper ≫ Junos Version 22.2 Update r1-s1
Juniper ≫ Junos Version 22.2 Update r1-s2
Juniper ≫ Junos Version 22.2 Update r2
Juniper ≫ Junos Version 22.2 Update r2-s1
Juniper ≫ Junos Version 22.2 Update r2-s2
Juniper ≫ Junos Version 22.2 Update r3
Juniper ≫ Junos Version 22.2 Update r3-s1
Juniper ≫ Junos Version 22.2 Update r3-s2
Juniper ≫ Junos Version 22.2 Update r3-s3
Juniper ≫ Junos Version 22.2 Update r3-s4
Juniper ≫ Junos Version 22.3 Update -
Juniper ≫ Junos Version 22.3 Update r1
Juniper ≫ Junos Version 22.3 Update r1-s1
Juniper ≫ Junos Version 22.3 Update r1-s2
Juniper ≫ Junos Version 22.3 Update r2
Juniper ≫ Junos Version 22.3 Update r2-s1
Juniper ≫ Junos Version 22.3 Update r2-s2
Juniper ≫ Junos Version 22.3 Update r3
Juniper ≫ Junos Version 22.3 Update r3-s1
Juniper ≫ Junos Version 22.3 Update r3-s2
Juniper ≫ Junos Version 22.3 Update r3-s3
Juniper ≫ Junos Version 22.4 Update -
Juniper ≫ Junos Version 22.4 Update r1
Juniper ≫ Junos Version 22.4 Update r1-s1
Juniper ≫ Junos Version 22.4 Update r1-s2
Juniper ≫ Junos Version 22.4 Update r2
Juniper ≫ Junos Version 22.4 Update r2-s1
Juniper ≫ Junos Version 22.4 Update r2-s2
Juniper ≫ Junos Version 22.4 Update r3
Juniper ≫ Junos Version 22.4 Update r3-s1
Juniper ≫ Junos Version 22.4 Update r3-s2
Juniper ≫ Junos Version 23.2 Update -
Juniper ≫ Junos Version 23.2 Update r1
Juniper ≫ Junos Version 23.2 Update r1-s1
Juniper ≫ Junos Version 23.2 Update r1-s2
Juniper ≫ Junos Version 23.2 Update r2
Juniper ≫ Junos Version 23.2 Update r2-s1
Juniper ≫ Junos Version 23.4 Update -
Juniper ≫ Junos Version 23.4 Update r1
Juniper ≫ Junos Version 23.4 Update r1-s1
Juniper ≫ Junos Version 23.4 Update r1-s2
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.36% 0.287
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Juniper 8.2 0 0
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:L/U:Green
Juniper 5.9 2.2 3.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

https://supportportal.juniper.net/JSA88121
Vendor Advisory