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CVE-2019-0049— Junos OS: RPD process crashes when BGP peer restarts

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中存在安全漏洞。攻击者可利用该漏洞造成RPD进程崩溃，导致拒绝服务。以下产品及版本受到影响：Juniper Networks Junos OS 16.1版本，16.2版本，17.1版本，17.2版本，17.2X75版本，17.3版本，17.4版本，18.1版本

AI Predicted 7.5 Difficulty: Moderate EPSS 1.54% · P75
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I. Basic Information for CVE-2019-0049

Vulnerability Information
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Vulnerability Title
Junos OS: RPD process crashes when BGP peer restarts
Source: CVE Program / CVE List V5
Vulnerability Description
On Junos devices with the BGP graceful restart helper mode enabled or the BGP graceful restart mechanism enabled, a certain sequence of BGP session restart on a remote peer that has the graceful restart mechanism enabled may cause the local routing protocol daemon (RPD) process to crash and restart. Repeated crashes of the RPD process can cause prolonged Denial of Service (DoS). Graceful restart helper mode for BGP is enabled by default. No other Juniper Networks products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S3; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3; 17.2X75 versions prior to 17.2X75-D105; 17.3 versions prior to 17.3R3-S2; 17.4 versions prior to 17.4R1-S7, 17.4R2-S2, 17.4R3; 18.1 versions prior to 18.1R3-S2; 18.2 versions prior to 18.2R2; 18.2X75 versions prior to 18.2X75-D12, 18.2X75-D30; 18.3 versions prior to 18.3R1-S4, 18.3R2. Junos OS releases prior to 16.1R1 are not affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 输入验证错误漏洞
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中存在安全漏洞。攻击者可利用该漏洞造成RPD进程崩溃，导致拒绝服务。以下产品及版本受到影响：Juniper Networks Junos OS 16.1版本，16.2版本，17.1版本，17.2版本，17.2X75版本，17.3版本，17.4版本，18.1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 16.1 versions prior to 16.1R7-S3 -

II. Public POCs for CVE-2019-0049

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III. Intelligence Information for CVE-2019-0049

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Vendor Advisories for CVE-2019-0049 (1)

Same Patch Batch · Juniper Networks · 2019-07-11 · 5 CVEs total

CVE-2019-0046 Junos OS: EX4300 Series: Denial of Service upon receipt of large number of specific valid
CVE-2019-0048 EX4300 Series: When a firewall filter is applied to a loopback interface, other firewall f
CVE-2019-0052 SRX Series: srxpfe process crash while JSF/UTM module parses specific HTTP packets
CVE-2019-0053 Junos OS: Insufficient validation of environment variables in telnet client may lead to st

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-404