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CVE-2023-28974— Junos OS: MX Series: In a BBE scenario upon receipt of specific malformed packets from subscribers the process bbe-smgd 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 MX 系列存在代码问题漏洞，该漏洞源于bbe-smgd 异常情况检查不当，攻击者利用该漏洞可以导致拒绝服务 (DoS)，以下产品和版本受到影响：Juniper Networks Junos OS MX 系列 19.4R3-S11 之前的所有版本、20.2R3

CVSS 7.4 · High EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-28974

Vulnerability Information
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Vulnerability Title
Junos OS: MX Series: In a BBE scenario upon receipt of specific malformed packets from subscribers the process bbe-smgd will crash
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Check for Unusual or Exceptional Conditions vulnerability in the bbe-smgd of Juniper Networks Junos OS allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). In a Broadband Edge / Subscriber Management scenario on MX Series when a specifically malformed ICMP packet addressed to the device is received from a subscriber the bbe-smgd will crash, affecting the subscriber sessions that are connecting, updating, or terminating. Continued receipt of such packets will lead to a sustained DoS condition. When this issue happens the below log can be seen if the traceoptions for the processes smg-service are enabled: BBE_TRACE(TRACE_LEVEL_INFO, "%s: Dropped unsupported ICMP PKT ... This issue affects Juniper Networks Junos OS on MX Series: All versions prior to 19.4R3-S11; 20.2 versions prior to 20.2R3-S7; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S6; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S4; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3-S2; 22.1 versions prior to 22.1R2-S2, 22.1R3; 22.2 versions prior to 22.2R2; 22.3 versions prior to 22.3R1-S2, 22.3R2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/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 代码问题漏洞
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 MX 系列存在代码问题漏洞，该漏洞源于bbe-smgd 异常情况检查不当，攻击者利用该漏洞可以导致拒绝服务 (DoS)，以下产品和版本受到影响：Juniper Networks Junos OS MX 系列 19.4R3-S11 之前的所有版本、20.2R3
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 ~ 19.4R3-S11 -

II. Public POCs for CVE-2023-28974

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III. Intelligence Information for CVE-2023-28974

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Other References for CVE-2023-28974 (1)

Same Patch Batch · Juniper Networks · 2023-04-17 · 25 CVEs total

CVE-2023-28983 8.8 HIGH Junos OS Evolved: Shell Injection vulnerability in the gNOI server
CVE-2023-28960 8.2 HIGH Junos OS Evolved: Docker repository is world-writeable, allowing low-privileged local user
CVE-2023-28966 7.8 HIGH Junos OS Evolved: Local low-privileged user with shell access can execute CLI commands as
CVE-2023-28967 7.5 HIGH Junos OS and Junos OS Evolved: An attacker sending genuine BGP packets causes an RPD crash
CVE-2023-28964 7.5 HIGH Junos OS and Junos OS Evolved: Malformed BGP flowspec update causes RPD crash
CVE-2023-28982 7.5 HIGH Junos OS and Junos OS Evolved: In a BGP rib sharding scenario when a route is frequently u
CVE-2023-28976 7.5 HIGH Junos OS: MX Series: If a specific traffic rate goes above the DDoS threshold it will lead
CVE-2023-28971 7.2 HIGH Paragon Active Assurance: Enabling the timescaledb enables IP forwarding
CVE-2023-28973 7.1 HIGH Junos OS Evolved: The 'sysmanctl' shell command allows a local user to gain access to some
CVE-2023-28972 6.8 MEDIUM Junos OS: NFX Series: 'set system ports console insecure' allows root password recovery
CVE-2023-28970 6.5 MEDIUM Junos OS: JRR200: Kernel crash upon receipt of a specific packet
CVE-2023-28965 6.5 MEDIUM Junos OS: QFX10002: Failure of storm control feature may lead to Denial of Service
CVE-2023-28981 6.5 MEDIUM Junos OS and Junos OS Evolved: If malformed IPv6 router advertisements are received, memor
CVE-2023-28959 6.5 MEDIUM Junos OS: QFX10002: PFE wedges and restarts upon receipt of specific malformed packets
CVE-2023-1697 6.5 MEDIUM Junos OS: QFX10000 Series, PTX1000 Series: The dcpfe process will crash when a malformed e
CVE-2023-28961 5.8 MEDIUM Junos OS: ACX Series: IPv6 firewall filter is not installed in PFE when "from next-header
CVE-2023-28980 5.5 MEDIUM Junos OS and Junos OS Evolved: In a BGP rib sharding scenario an rpd crash will happen sho
CVE-2023-28978 5.3 MEDIUM Junos OS Evolved: Read access to some confidential user information is possible
CVE-2023-28962 5.3 MEDIUM Junos OS: Unauthenticated access vulnerability in J-Web
CVE-2023-28963 5.3 MEDIUM Junos OS: User-controlled input vulnerability in J-Web

Showing top 20 of 25 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-28974

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