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CVE-2024-39545— Junos OS: SRX Series, MX Series with SPC3 and NFX350: When VPN tunnels parameters are not configured in specific way the iked process will crash

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是美国瞻博网络（Juniper Networks）公司的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存在安全漏洞，该漏洞源于存在对异常或异常情况检查不当的漏洞，允许未经身份验证的基于网络的攻击者发送特定的不匹配参数，从而导致拒绝服务(DoS)。

CVSS 7.5 · High EPSS 0.49% · P40
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I. Basic Information for CVE-2024-39545

Vulnerability Information
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Vulnerability Title
Junos OS: SRX Series, MX Series with SPC3 and NFX350: When VPN tunnels parameters are not configured in specific way the iked process will crash
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Check for Unusual or Exceptional Conditions vulnerability in the the IKE daemon (iked) of Juniper Networks Junos OS on SRX Series, MX Series with SPC3 and NFX350 allows allows an unauthenticated, network-based attacker sending specific mismatching parameters as part of the IPsec negotiation to trigger an iked crash leading to Denial of Service (DoS). This issue is applicable to all platforms that run iked. This issue affects Junos OS on SRX Series, MX Series with SPC3 and NFX350:  * All versions before 21.2R3-S8,  * from 21.4 before 21.4R3-S7,  * from 22.1 before 22.1R3-S2,  * from 22.2 before 22.2R3-S1,  * from 22.3 before 22.3R2-S1, 22.3R3,  * from 22.4 before 22.4R1-S2, 22.4R2, 22.4R3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的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存在安全漏洞，该漏洞源于存在对异常或异常情况检查不当的漏洞，允许未经身份验证的基于网络的攻击者发送特定的不匹配参数，从而导致拒绝服务(DoS)。
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 ~ 21.2R3-S8 -

II. Public POCs for CVE-2024-39545

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III. Intelligence Information for CVE-2024-39545

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Other References for CVE-2024-39545 (1)

Same Patch Batch · Juniper Networks · 2024-07-11 · 29 CVEs total

CVE-2024-39520 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39521 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39522 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39523 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39524 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39542 7.5 HIGH Junos OS and Junos OS Evolved: A malformed CFM packet or specific transit traffic leads to
CVE-2024-39540 7.5 HIGH Junos OS: SRX Series, and MX Series with SPC3: Specific valid TCP traffic can cause a pfe
CVE-2024-39548 7.5 HIGH Junos OS Evolved: Receipt of specific packets in the aftmand process will lead to a memory
CVE-2024-39549 7.5 HIGH Junos OS and Junos OS Evolved: Receipt of malformed BGP path attributes leads to a memory
CVE-2024-39551 7.5 HIGH Junos OS: SRX Series and MX Series with SPC3 and MS-MPC/MIC: Receipt of specific packets i
CVE-2024-39552 7.5 HIGH Junos OS and Junos OS Evolved: Malformed BGP UPDATE causes RPD crash
CVE-2024-39531 7.5 HIGH Junos OS Evolved: ACX 7000 Series: Protocol specific DDoS configuration affects other prot
CVE-2024-39530 7.5 HIGH Junos OS: Attempting to access specific sensors on platforms not supporting these will lea
CVE-2024-39529 7.5 HIGH Junos OS: SRX Series: If DNS traceoptions are configured in a DGA or tunnel detection scen
CVE-2024-39546 7.3 HIGH Junos OS Evolved: Local low-privilege user can gain root permissions leading to privilege
CVE-2024-39550 6.5 MEDIUM Junos OS: MX Series with SPC3 line card: Port flaps causes rtlogd memory leak leading to D
CVE-2024-39543 6.5 MEDIUM Junos OS and Junos OS Evolved: Receipt of a large RPKI-RTR PDU packet can cause rpd to cra
CVE-2024-39519 6.5 MEDIUM Junos OS Evolved: ACX 7000 Series: Multicast traffic is looped in a multihoming EVPN MPLS
CVE-2024-39553 6.5 MEDIUM Junos OS Evolved: Receipt of arbitrary data when sampling service is enabled, leads to par
CVE-2024-39541 6.5 MEDIUM Junos OS and Junos OS Evolved: Inconsistent information in the TE database can lead to an

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-754

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