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CVE-2019-0068— Junos OS: SRX Series: Denial of Service vulnerability in flowd due to multicast packets

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（SRX Series）中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。以下产品及版本受到影响：Juniper Networks Junos OS 12.3X48版本，15.1X49版本，17.3版本，17.4版本，18.

CVSS 6.5 · Medium EPSS 1.31% · P70

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2019-0068

Vulnerability Information
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Vulnerability Title
Junos OS: SRX Series: Denial of Service vulnerability in flowd due to multicast packets
Source: CVE Program / CVE List V5
Vulnerability Description
The SRX flowd process, responsible for packet forwarding, may crash and restart when processing specific multicast packets. By continuously sending the specific multicast packets, an attacker can repeatedly crash the flowd process causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions; 17.4 versions prior to 17.4R2-S5, 17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R2-S4, 18.2R3; 18.3 versions prior to 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S1, 19.1R2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
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（SRX Series）中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。以下产品及版本受到影响：Juniper Networks Junos OS 12.3X48版本，15.1X49版本，17.3版本，17.4版本，18.
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 17.3 -

II. Public POCs for CVE-2019-0068

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III. Intelligence Information for CVE-2019-0068

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Same Patch Batch · Juniper Networks · 2019-10-09 · 25 CVEs total

CVE-2019-0047 8.8 HIGH Junos OS: Persistent XSS vulnerability in J-Web
CVE-2019-0070 8.8 HIGH Junos OS: NFX Series: An Improper Input Validation weakness allows a malicious local attac
CVE-2019-0058 7.8 HIGH Junos OS: SRX Series: A weakness in the Veriexec subsystem may allow privilege escalation.
CVE-2019-0061 7.8 HIGH Junos OS: Insecure management daemon (MGD) configuration may allow local privilege escalat
CVE-2019-0057 7.8 HIGH NFX Series: An attacker may be able to take control of the JDM application and subsequentl
CVE-2019-0071 7.8 HIGH Junos OS: EX2300, EX3400 Series: Veriexec signature checking not enforced in specific vers
CVE-2019-0060 7.5 HIGH Junos OS: SRX Series: flowd process crash due to processing of specific transit IP packets
CVE-2019-0056 7.5 HIGH Junos OS: MX Series: An MPC10 Denial of Service (DoS) due to OSPF states transitioning to
CVE-2019-0055 7.5 HIGH Junos OS: SRX Series: An attacker may cause flowd to crash by sending certain valid SIP tr
CVE-2019-0050 7.5 HIGH Junos OS: SRX1500: Denial of service due to crash of srxpfe process under heavy traffic co
CVE-2019-0075 7.5 HIGH Junos OS: SRX Series: Denial of Service vulnerability in srxpfe related to PIM
CVE-2019-0066 7.5 HIGH Junos OS: A malformed IPv4 packet received by Junos in an NG-mVPN scenario may cause the r
CVE-2019-0064 7.5 HIGH Junos OS: SRX5000 Series: flowd process crash due to receipt of specific TCP packet
CVE-2019-0062 7.5 HIGH Junos OS: Session fixation vulnerability in J-Web
CVE-2019-0059 7.5 HIGH Junos OS: The routing protocol process (rpd) may crash and generate core files upon receip
CVE-2019-0054 6.8 MEDIUM Junos OS: SRX Series: An attacker may be able to perform Man-in-the-Middle (MitM) attacks
CVE-2019-0073 6.6 MEDIUM Junos OS: PKI key pairs are exported with insecure file permissions
CVE-2019-0067 6.5 MEDIUM Junos OS: Kernel crash (vmcore) upon receipt of a specific link-local IPv6 packet on devic
CVE-2019-0051 6.5 MEDIUM SRX5000 Series: Denial of Service vulnerability in SSL-Proxy feature.
CVE-2019-0063 6.5 MEDIUM Junos OS: MX Series: jdhcpd crash when receiving a specific crafted DHCP response message

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

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks

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