CVE-2024-47494
published 2024-10-11CVE-2024-47494: 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…
PriorityP430medium5.9CVSS 3.1
AVNACHPRNUINSUCNINAH
EPSS
0.35%
27.2th percentile
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.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| juniper | junos | < 21.4 | 21.4 |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos | — | — |
| juniper | junos_os | — | — |
| juniper_networks | junos_os | < 21.4R3-S9 | 21.4R3-S9 |
| juniper_networks | junos_os | >= 22.2 < 22.2R3-S5 | 22.2R3-S5 |
| juniper_networks | junos_os | >= 22.3 < 22.3R3-S4 | 22.3R3-S4 |
| juniper_networks | junos_os | >= 22.4 < 22.4R3-S3 | 22.4R3-S3 |
| juniper_networks | junos_os | >= 23.2 < 23.2R2-S2 | 23.2R2-S2 |
| juniper_networks | junos_os | >= 23.4 < 23.4R2 | 23.4R2 |
CVSS provenance
nvdv3.15.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv4.08.2HIGHCVSS: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
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GHSA
GHSA-f3wp-gx52-q6g2: 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
ghsa_unreviewed·2024-10-11
CVE-2024-47494 [HIGH] CWE-367 GHSA-f3wp-gx52-q6g2: 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
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
Juniper
CVE-2024-47494: 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
vendor_juniper·2024-10-11·CVSS 5.9
CVE-2024-47494 [MEDIUM] CWE-367 CVE-2024-47494: 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
CVE-2024-47494: 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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2024-10-11
Published