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CVE-2018-0006— Junos OS: bbe-smgd process denial of service while processing VLAN authentication requests/rejects

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 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系统的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Junos OS中存在安全漏洞。攻击者可通过从本地广播域上临近的主机发送高频率的身份验证请求利用该漏洞造成拒绝服务（大量内存分配）。以下版本受到影响：Juniper Junos OS 15.1R6-S2和15.1R7之前的15.1版本，16.1R5-S1和16.1R6之前的16.1版本，16.2R2-S2和16

AI Predicted 5.3 Difficulty: Moderate EPSS 0.67% · P50

Possible ATT&CK Techniques 1 AI

T1537.001
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I. Basic Information for CVE-2018-0006

Vulnerability Information
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Vulnerability Title
Junos OS: bbe-smgd process denial of service while processing VLAN authentication requests/rejects
Source: CVE Program / CVE List V5
Vulnerability Description
A high rate of VLAN authentication attempts sent from an adjacent host on the local broadcast domain can trigger high memory utilization by the BBE subscriber management daemon (bbe-smgd), and lead to a denial of service condition. The issue was caused by attempting to process an unbounded number of pending VLAN authentication requests, leading to excessive memory allocation. This issue only affects devices configured for DHCPv4/v6 over AE auto-sensed VLANs, utilized in Broadband Edge (BBE) deployments. Other configurations are unaffected by this issue. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R6-S2, 15.1R7; 16.1 versions prior to 16.1R5-S1, 16.1R6; 16.2 versions prior to 16.2R2-S2, 16.2R3; 17.1 versions prior to 17.1R2-S5, 17.1R3; 17.2 versions prior to 17.2R2.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Junos OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper 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系统的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Junos OS中存在安全漏洞。攻击者可通过从本地广播域上临近的主机发送高频率的身份验证请求利用该漏洞造成拒绝服务（大量内存分配）。以下版本受到影响：Juniper Junos OS 15.1R6-S2和15.1R7之前的15.1版本，16.1R5-S1和16.1R6之前的16.1版本，16.2R2-S2和16
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 15.1 ~ 15.1R6-S2, 15.1R7 -

II. Public POCs for CVE-2018-0006

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III. Intelligence Information for CVE-2018-0006

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Vendor Advisories for CVE-2018-0006 (2)

Same Patch Batch · Juniper Networks · 2018-01-10 · 12 CVEs total

CVE-2018-0001 Junos: Unauthenticated Remote Code Execution through J-Web interface
CVE-2018-0002 MX series, SRX series: Junos OS: Denial of service vulnerability in Flowd on devices with
CVE-2018-0003 Junos OS: A crafted MPLS packet may lead to a kernel crash
CVE-2018-0004 Junos OS: Kernel Denial of Service Vulnerability
CVE-2018-0005 Security Bulletin: Junos OS: MAC move limit configured to drop traffic may forward traffic
CVE-2018-0008 Junos OS: commit script may allow unauthenticated root login upon reboot
CVE-2018-0009 SRX Series: Firewall bypass vulnerability when UUID with leading zeros is configured.
CVE-2018-0011 Junos Space: Reflected XSS vulnerability in Junos Space management interface
CVE-2018-0012 Junos Space: Local privilege escalation vulnerability in Junos Space
CVE-2018-0013 Junos Space: Local File Inclusion Vulnerability
CVE-2018-0014 ScreenOS: Etherleak vulnerability found on ScreenOS device

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks

V. Comments for CVE-2018-0006

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