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CVE-2018-0020— Junos OS: rpd daemon cores due to malformed BGP UPDATE packet

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中存在输入验证漏洞。远程攻击者可通过发送特制的BGP UPDATE利用该漏洞造成rpd进程崩溃和重启，导致拒绝服务。以下版本受到影响：Juniper Junos OS 13.2版本，14.1X53版本，15.1版本，15.1X49版本版本，15.1X53版本，16.1版本，16.2版本，17.1

AI Predicted 7.5 Difficulty: Easy EPSS 1.34% · P70
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I. Basic Information for CVE-2018-0020

Vulnerability Information
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Vulnerability Title
Junos OS: rpd daemon cores due to malformed BGP UPDATE packet
Source: CVE Program / CVE List V5
Vulnerability Description
Junos OS may be impacted by the receipt of a malformed BGP UPDATE which can lead to a routing process daemon (rpd) crash and restart. Receipt of a repeated malformed BGP UPDATEs can result in an extended denial of service condition for the device. This malformed BGP UPDATE does not propagate to other BGP peers. Affected releases are Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D130 on SRX; 15.1X53 versions prior to 15.1X53-D66 on QFX10K; 15.1X53 versions prior to 15.1X53-D58 on EX2300/EX3400; 15.1X53 versions prior to 15.1X53-D233 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D471 on NFX; 16.1 versions prior to 16.1R3-S8, 16.1R4-S9, 16.1R5-S3, 16.1R6-S3, 16.1R7; 16.1X65 versions prior to 16.1X65-D47; 16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R2-S3, 17.1R3; 17.2 versions prior to 17.2R1-S3, 17.2R2-S1, 17.2R3; 17.2X75 versions prior to 17.2X75-D70; 13.2 versions above and including 13.2R1. Versions prior to 13.2R1 are not affected. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. No other Juniper Networks products or platforms are affected by this issue.
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中存在输入验证漏洞。远程攻击者可通过发送特制的BGP UPDATE利用该漏洞造成rpd进程崩溃和重启，导致拒绝服务。以下版本受到影响：Juniper Junos OS 13.2版本，14.1X53版本，15.1版本，15.1X49版本版本，15.1X53版本，16.1版本，16.2版本，17.1
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 14.1X53 ~ 14.1X53-D47 -
Juniper Networks Junos OS 15.1X49 ~ 15.1X49-D130 -
Juniper Networks Junos OS 15.1X53 ~ 15.1X53-D66 -
Juniper Networks Junos OS 15.1X53 ~ 15.1X53-D58 -
Juniper Networks Junos OS 15.1X53 ~ 15.1X53-D233 -
Juniper Networks Junos OS 15.1X53 ~ 15.1X53-D471 -

II. Public POCs for CVE-2018-0020

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III. Intelligence Information for CVE-2018-0020

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Vendor Advisories for CVE-2018-0020 (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-2018-0019 Junos: Denial of service vulnerability in SNMP MIB-II subagent daemon (mib2d).
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-2018-0020

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