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CVE-2018-0057— Junos OS: authd allows assignment of IP address requested by DHCP subscriber logging in with Option 50 (Requested IP Address)

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中存在拒绝服务漏洞，该漏洞源于程序未能限制通过DHCP Option 50登录的订阅用户请求的IP地址。攻击者可利用该漏洞对合法的订阅用户造成拒绝服务或获取敏感信息。基于MX系列和M120/M320平台的以下版本受到影响：Juniper Junos OS 15.1版本，16.1版本，16.2版本

AI Predicted 5.3 Difficulty: Easy EPSS 1.15% · P66
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I. Basic Information for CVE-2018-0057

Vulnerability Information
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Vulnerability Title
Junos OS: authd allows assignment of IP address requested by DHCP subscriber logging in with Option 50 (Requested IP Address)
Source: CVE Program / CVE List V5
Vulnerability Description
On MX Series and M120/M320 platforms configured in a Broadband Edge (BBE) environment, subscribers logging in with DHCP Option 50 to request a specific IP address will be assigned the requested IP address, even if there is a static MAC to IP address binding in the access profile. In the problem scenario, with a hardware-address and IP address configured under address-assignment pool, if a subscriber logging in with DHCP Option 50, the subscriber will not be assigned an available address from the matched pool, but will still get the requested IP address. A malicious DHCP subscriber may be able to utilize this vulnerability to create duplicate IP address assignments, leading to a denial of service for valid subscribers or unauthorized information disclosure via IP address assignment spoofing. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S2, 15.1R8; 16.1 versions prior to 16.1R4-S12, 16.1R7-S2, 16.1R8; 16.2 versions prior to 16.2R2-S7, 16.2R3; 17.1 versions prior to 17.1R2-S9, 17.1R3; 17.2 versions prior to 17.2R1-S7, 17.2R2-S6, 17.2R3; 17.3 versions prior to 17.3R2-S4, 17.3R3; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R2-S3, 18.1R3.
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中存在拒绝服务漏洞，该漏洞源于程序未能限制通过DHCP Option 50登录的订阅用户请求的IP地址。攻击者可利用该漏洞对合法的订阅用户造成拒绝服务或获取敏感信息。基于MX系列和M120/M320平台的以下版本受到影响：Juniper Junos OS 15.1版本，16.1版本，16.2版本
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 ~ 15.1R7-S2, 15.1R8 -

II. Public POCs for CVE-2018-0057

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III. Intelligence Information for CVE-2018-0057

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Vendor Advisories for CVE-2018-0057 (1)

Same Patch Batch · Juniper Networks · 2018-10-10 · 21 CVEs total

CVE-2018-0053 vSRX Series: A local authentication vulnerability may lead to full control of a vSRX insta
CVE-2018-0063 Junos OS: Nexthop index allocation failed: private index space exhausted after incoming AR
CVE-2018-0062 Junos OS: Denial of Service in J-Web
CVE-2018-0061 Junos OS: Denial of service in telnetd
CVE-2018-0060 Junos OS: Invalid IP/mask learned from DHCP server might cause device control daemon (dcd)
CVE-2018-0059 ScreenOS: Stored Cross-Site Scripting (XSS) vulnerability
CVE-2018-0058 MX Series: In BBE configurations, receipt of a crafted IPv6 exception packet causes a Deni
CVE-2018-0056 MX Series: L2ALD daemon may crash if a duplicate MAC is learned by two different interface
CVE-2018-0055 Junos OS: jdhcpd process crash during processing of specially crafted DHCPv6 message
CVE-2018-0054 QFX5000/EX4600 Series: Routing protocol flap upon receipt of high rate of Ethernet frames
CVE-2018-0043 Junos OS: RPD daemon crashes upon receipt of specific MPLS packet
CVE-2018-0052 Junos OS: Unauthenticated remote root access possible when RSH service is enabled
CVE-2018-0051 Junos OS: Denial of Service vulnerability in MS-PIC, MS-MIC, MS-MPC, MS-DPC and SRX flow d
CVE-2018-0050 Junos OS: Receipt of a malformed MPLS RSVP packet leads to a Routing Protocols Daemon (RPD
CVE-2018-0049 Junos OS: Receipt of a specifically crafted malicious MPLS packet leads to a Junos kernel
CVE-2018-0048 Junos OS: Memory exhaustion denial of service vulnerability in Routing Protocols Daemon (R
CVE-2018-0047 Junos Space Security Director: XSS vulnerability in web administration
CVE-2018-0046 Junos Space: Reflected Cross-site Scripting vulnerability in OpenNMS
CVE-2018-0045 Junos OS: RPD daemon crashes due to receipt of specific Draft-Rosen MVPN control packet in
CVE-2018-0044 NFX Series: Insecure sshd configuration in Juniper Device Manager (JDM) and host OS

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks

V. Comments for CVE-2018-0057

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