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CVE-2018-0019— Junos: Denial of service vulnerability in SNMP MIB-II subagent daemon (mib2d).

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中的SNMP MIB-II子代理守护进程（mib2d）存在输入验证漏洞。远程攻击者可利用该漏洞造成mib2d崩溃，导致拒绝服务。以下版本受到影响：Juniper Junos OS 12.1X46版本，12.3版本，12.3X48版本，14.1版本，14.1X53版本，15.1版本，15.1X49

AI Predicted 7.5 Difficulty: Easy EPSS 1.50% · P73

Possible ATT&CK Techniques 1 AI

T1497.001 · System Checks
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I. Basic Information for CVE-2018-0019

Vulnerability Information
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Vulnerability Title
Junos: Denial of service vulnerability in SNMP MIB-II subagent daemon (mib2d).
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in Junos OS SNMP MIB-II subagent daemon (mib2d) may allow a remote network based attacker to cause the mib2d process to crash resulting in a denial of service condition (DoS) for the SNMP subsystem. While a mib2d process crash can disrupt the network monitoring via SNMP, it does not impact routing, switching or firewall functionalities. SNMP is disabled by default on devices running Junos OS. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D76; 12.3 versions prior to 12.3R12-S7, 12.3R13; 12.3X48 versions prior to 12.3X48-D65; 14.1 versions prior to 14.1R9; 14.1X53 versions prior to 14.1X53-D130; 15.1 versions prior to 15.1F2-S20, 15.1F6-S10, 15.1R7; 15.1X49 versions prior to 15.1X49-D130; 15.1X53 versions prior to 15.1X53-D233, 15.1X53-D471, 15.1X53-D472, 15.1X53-D58, 15.1X53-D66; 16.1 versions prior to 16.1R5-S3, 16.1R7; 16.1X65 versions prior to 16.1X65-D47; 16.1X70 versions prior to 16.1X70-D10; 16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R2-S6, 17.1R3;
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 输入验证漏洞
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中的SNMP MIB-II子代理守护进程（mib2d）存在输入验证漏洞。远程攻击者可利用该漏洞造成mib2d崩溃，导致拒绝服务。以下版本受到影响：Juniper Junos OS 12.1X46版本，12.3版本，12.3X48版本，14.1版本，14.1X53版本，15.1版本，15.1X49
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 12.1X46 ~ 12.1X46-D76 -

II. Public POCs for CVE-2018-0019

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III. Intelligence Information for CVE-2018-0019

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Vendor Advisories for CVE-2018-0019 (2)

Same Patch Batch · Juniper Networks · 2018-04-11 · 8 CVEs total

CVE-2018-0016 Junos OS: Kernel crash upon receipt of crafted CLNP datagrams
CVE-2018-0017 SRX Series: Denial of service vulnerability in flowd daemon on devices configured with NAT
CVE-2018-0018 SRX Series: A crafted packet may lead to information disclosure and firewall rule bypass d
CVE-2018-0020 Junos OS: rpd daemon cores due to malformed BGP UPDATE packet
CVE-2018-0021 Junos OS: Short MacSec keys may allow man-in-the-middle attacks.
CVE-2018-0022 Junos OS: Mbuf leak due to processing MPLS packets in VPLS network.
CVE-2018-0023 Junos Snapshot Administrator (JSNAPy) world writeable default configuration file permissio

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks

V. Comments for CVE-2018-0019

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