CVE-2023-44184— Junos OS and Junos OS Evolved: High CPU load due to specific NETCONF command
Quick assessment
Affected
Juniper Networks Junos OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Juniper Networks Junos OS和Juniper Networks Junos OS Evolved都是美国瞻博网络（Juniper Networks）公司的产品。Juniper Networks Junos OS是一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。Juniper Networks Junos OS Evolved是Junos OS 的升级版系统。 Juniper Networks Junos OS 和 Junos OS Evol
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-44184
Vulnerability Information
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Vulnerability Title
Junos OS and Junos OS Evolved: High CPU load due to specific NETCONF command
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the management daemon (mgd) process of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated low-privileged attacker, by executing a specific command via NETCONF, to cause a CPU Denial of Service to the device's control plane.
This issue affects:
Juniper Networks Junos OS
* All versions prior to 20.4R3-S7;
* 21.2 versions prior to 21.2R3-S5;
* 21.3 versions prior to 21.3R3-S5;
* 21.4 versions prior to 21.4R3-S4;
* 22.1 versions prior to 22.1R3-S2;
* 22.2 versions prior to 22.2R3;
* 22.3 versions prior to 22.3R2-S1, 22.3R3;
* 22.4 versions prior to 22.4R1-S2, 22.4R2.
Juniper Networks Junos OS Evolved
* All versions prior to 21.4R3-S4-EVO;
* 22.1 versions prior to 22.1R3-S2-EVO;
* 22.2 versions prior to 22.2R3-EVO;
* 22.3 versions prior to 22.3R3-EVO;
* 22.4 versions prior to 22.4R2-EVO.
An indicator of compromise can be seen by first determining if the NETCONF client is logged in and fails to log out after a reasonable period of time and secondly reviewing the WCPU percentage for the mgd process by running the following command:
mgd process example:
user@device-re#> show system processes extensive | match "mgd|PID" | except last
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
92476 root 100 0 500M 89024K CPU3 3 57.5H 89.60% mgd <<<<<<<<<<< review the high cpu percentage.
Example to check for NETCONF activity:
While there is no specific command that shows a specific session in use for NETCONF, you can review logs for UI_LOG_EVENT with "client-mode 'netconf'"
For example:
mgd[38121]: UI_LOGIN_EVENT: User 'root' login, class 'super-user' [38121], ssh-connection '10.1.1.1 201 55480 10.1.1.2 22', client-mode 'netconf'
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 和 Junos OS Evolved 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS和Juniper Networks Junos OS Evolved都是美国瞻博网络（Juniper Networks）公司的产品。Juniper Networks Junos OS是一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。Juniper Networks Junos OS Evolved是Junos OS 的升级版系统。 Juniper Networks Junos OS 和 Junos OS Evol
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Juniper Networks | Junos OS | 0 ~ 20.4R3-S7 | - |
|
| Juniper Networks | Junos OS Evolved | 0 ~ 21.4R3-S4-EVO | - |
|
II. Public POCs for CVE-2023-44184
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-44184 (1)
-
https://supportportal.juniper.net/JSA73147 vendor-advisory
Same Patch Batch · Juniper Networks · 2023-10-12 · 25 CVEs total
| CVE-2023-44194 | 8.4 HIGH | Junos OS: An unauthenticated attacker with local access to the device can create a backdoo |
| CVE-2023-44199 | 7.5 HIGH | Junos OS: MX Series: In a PTP scenario a prolonged routing protocol churn can trigger an F |
| CVE-2023-36841 | 7.5 HIGH | Junos OS: MX Series: Receipt of malformed TCP traffic will cause a Denial of Service |
| CVE-2023-44197 | 7.5 HIGH | Junos OS and Junos OS Evolved: An rpd crash may occur when BGP is processing newly learned |
| CVE-2023-36843 | 7.5 HIGH | Junos OS: SRX Series: The PFE will crash on receiving malformed SSL traffic when Sky ATP i |
| CVE-2023-44181 | 7.5 HIGH | Junos OS: QFX5k: l2 loop in the overlay impacts the stability in a EVPN/VXLAN environment |
| CVE-2023-44192 | 7.5 HIGH | Junos OS: QFX5000 Series: DMA memory leak is observed when specific DHCP packets are trans |
| CVE-2023-44191 | 7.5 HIGH | Junos OS: QFX5000 Series and EX4000 Series: Denial of Service (DoS) on a large scale VLAN |
| CVE-2023-44185 | 7.5 HIGH | Junos OS and Junos OS Evolved: In an BGP scenario RPD crashes upon receiving and processin |
| CVE-2023-44182 | 7.3 HIGH | Junos OS and Junos OS Evolved: An Unchecked Return Value in multiple users interfaces affe |
| CVE-2023-22392 | 6.5 MEDIUM | Junos OS: PTX Series and QFX10000 Series: Received flow-routes which aren't installed as t |
| CVE-2023-44204 | 6.5 MEDIUM | Junos OS and Junos OS Evolved: The rpd will crash upon receiving a malformed BGP UPDATE me |
| CVE-2023-36839 | 6.5 MEDIUM | Junos OS and Junos OS Evolved: An l2cpd crash will occur when specific LLDP packets are re |
| CVE-2023-44175 | 6.5 MEDIUM | Junos OS and Junos OS Evolved: Receipt of a specific genuine PIM packet causes RPD crash |
| CVE-2023-44183 | 6.5 MEDIUM | Junos OS: QFX5000 Series, EX4600 Series: In a VxLAN scenario an adjacent attacker within t |
| CVE-2023-44196 | 6.5 MEDIUM | Junos OS Evolved: PTX10003 Series: Packets which are not destined to the router can reach |
| CVE-2023-44203 | 6.5 MEDIUM | Junos OS: QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600: Packet flooding will |
| CVE-2023-44198 | 5.8 MEDIUM | Junos OS: SRX Series and MX Series: SIP ALG doesn't drop specifically malformed retransmit |
| CVE-2023-44193 | 5.5 MEDIUM | Junos OS: MX Series: An FPC crash is observed when CFM is enabled in a VPLS scenario and a |
| CVE-2023-44178 | 5.5 MEDIUM | Junos OS : Stack overflow vulnerability in CLI command processing |
Showing top 20 of 25 CVEs. View all on vendor page → →
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V. Comments for CVE-2023-44184
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