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CVE-2022-22166— Junos OS: An rpd core will occur if BGP update tracing is configured and an update containing a malformed BGP SR-TE policy tunnel attribute is received

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 存在输入验证错误漏洞，该漏洞源于路由协议守护程序（rpd）中用户提供的输入验证不足。攻击者可利用该漏洞对目标系统执行DoS攻击。

CVSS 6.5 · Medium EPSS 0.37% · P28
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I. Basic Information for CVE-2022-22166

Vulnerability Information
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Vulnerability Title
Junos OS: An rpd core will occur if BGP update tracing is configured and an update containing a malformed BGP SR-TE policy tunnel attribute is received
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause an rdp crash and thereby a Denial of Service (DoS). If a BGP update message is received over an established BGP session where a BGP SR-TE policy tunnel attribute is malformed and BGP update tracing flag is enabled, the rpd will core. This issue can happen with any BGP session as long as the previous conditions are met. This issue can not propagate as the crash occurs as soon as the malformed update is received. This issue affects Juniper Networks Junos OS: 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R2-S2, 21.1R3. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1284
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 输入验证错误漏洞
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 存在输入验证错误漏洞，该漏洞源于路由协议守护程序（rpd）中用户提供的输入验证不足。攻击者可利用该漏洞对目标系统执行DoS攻击。
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 unspecified ~ 20.4R1 -

II. Public POCs for CVE-2022-22166

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III. Intelligence Information for CVE-2022-22166

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Same Patch Batch · Juniper Networks · 2022-01-19 · 27 CVEs total

CVE-2022-22152 7.7 HIGH Contrail Service Orchestration: Tenants able to see other tenants policies via REST API in
CVE-2022-22153 7.5 HIGH SRX Series and MX Series with SPC3: A high percentage of fragments might lead to high late
CVE-2022-22180 7.5 HIGH Junos OS: EX2300 Series, EX2300-MP Series, EX3400 Series: A slow memory leak due to proces
CVE-2022-22178 7.5 HIGH Junos OS: MX and SRX series: Flowd core observed if the SIP ALG is enabled and a specific
CVE-2022-22175 7.5 HIGH Junos OS: MX Series and SRX Series: The flowd daemon will crash if the SIP ALG is enabled
CVE-2022-22174 7.5 HIGH Junos OS: QFX5000 Series, EX4600: Device may run out of memory, causing traffic loss, upon
CVE-2022-22173 7.5 HIGH Junos OS: CRL failing to download causes a memory leak and ultimately a DoS
CVE-2022-22171 7.5 HIGH Junos OS: Specific packets over VXLAN cause FPC reset
CVE-2022-22170 7.5 HIGH Junos OS: Specific packets over VXLAN cause FPC memory leak and ultimately reset
CVE-2022-22161 7.5 HIGH Junos OS: MX104 might become unresponsive if the out-of-band management port receives a fl
CVE-2022-22159 7.5 HIGH Junos OS: An attacker sending crafted packets can cause a traffic and CPU Denial of Servic
CVE-2022-22163 7.4 HIGH Junos OS: jdhcpd crashes upon receipt of a specific DHCPv6 packet
CVE-2022-22176 7.4 HIGH Junos OS: In a scenario with dhcp-security and option-82 configured jdhcpd crashes upon re
CVE-2022-22162 7.3 HIGH Junos OS: A low privileged user can elevate their privileges to the ones of the highest pr
CVE-2022-22167 7.2 HIGH Junos OS: SRX Series: If no-syn-check is enabled, traffic classified as UNKNOWN gets permi
CVE-2022-22157 7.2 HIGH Junos OS: SRX Series: Traffic classification vulnerability when 'no-syn-check' is enabled
CVE-2022-22154 6.8 MEDIUM Junos Fusion: A Satellite Device can be controlled by rewiring it to a foreign AD causing
CVE-2022-22172 6.5 MEDIUM Junos OS and Junos OS Evolved: An l2cpd memory leak can occur when specific LLDP packets a
CVE-2022-22160 6.5 MEDIUM Junos OS: MX Series: The bbe-smgd process crashes if an unsupported configuration exists a
CVE-2022-22156 6.5 MEDIUM Junos OS: Certificate validation is skipped when fetching system scripts from a HTTPS URL

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-1284

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