CVE-2020-1678— Junos OS and Junos OS Evolved: RPD can crash due to a slow memory leak.
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。 Junos OS 存在安全漏洞，攻击者可利用该漏洞可以通过EVPN创建内存泄漏，以触发拒绝服务。
Possible ATT&CK Techniques 1 AI
T1498 · Network Denial of Service
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I. Basic Information for CVE-2020-1678
Vulnerability Information
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Vulnerability Title
Junos OS and Junos OS Evolved: RPD can crash due to a slow memory leak.
Source: CVE Program / CVE List V5
Vulnerability Description
On Juniper Networks Junos OS and Junos OS Evolved platforms with EVPN configured, receipt of specific BGP packets causes a slow memory leak. If the memory is exhausted the rpd process might crash. If the issue occurs, the memory leak could be seen by executing the "show task memory detail | match policy | match evpn" command multiple times to check if memory (Alloc Blocks value) is increasing. root@device> show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 3330678 79936272 3330678 79936272 root@device> show task memory detail | match policy | match evpn ------------------------ Allocator Memory Report ------------------------ Name | Size | Alloc DTXP Size | Alloc Blocks | Alloc Bytes | MaxAlloc Blocks | MaxAlloc Bytes Policy EVPN Params 20 24 36620255 878886120 36620255 878886120 This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2; 20.1 versions prior to 20.1R1-S4, 20.1R2; Juniper Networks Junos OS Evolved: 19.4 versions; 20.1 versions prior to 20.1R1-S4-EVO, 20.1R2-EVO; 20.2 versions prior to 20.2R1-EVO; This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.
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
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 资源管理错误漏洞
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。 Junos OS 存在安全漏洞，攻击者可利用该漏洞可以通过EVPN创建内存泄漏，以触发拒绝服务。
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 | 19.4 ~ 19.4R2 | - |
|
| Juniper Networks | Junos OS Evolved | 19.4-EVO | - |
|
II. Public POCs for CVE-2020-1678
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-1678 (1)
-
https://kb.juniper.net/JSA11075 x_refsource_CONFIRM
Same Patch Batch · Juniper Networks · 2020-10-16 · 30 CVEs total
| CVE-2020-1656 | 8.8 HIGH | Junos OS: When a DHCPv6 Relay-Agent is configured upon receipt of a specific DHCPv6 client |
| CVE-2020-1673 | 8.8 HIGH | Junos OS: Reflected Cross-site Scripting vulnerability in J-Web and web based (HTTP/HTTPS) |
| CVE-2020-1660 | 8.3 HIGH | Junos OS: MX Series: Receipt of specific packets can cause services card to restart when D |
| CVE-2020-1667 | 8.3 HIGH | Junos OS: MX Series: Services card might restart due to a race condition when DNS filterin |
| CVE-2020-1675 | 8.3 HIGH | Juniper Networks Mist Cloud UI: SAML authentication certificate vulnerability. |
| CVE-2020-1664 | 7.8 HIGH | Junos OS: Buffer overflow vulnerability in device control daemon |
| CVE-2020-1657 | 7.5 HIGH | Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denia |
| CVE-2020-1686 | 7.5 HIGH | Junos OS: Kernel crash (vmcore) upon receipt of a malformed IPv6 packet. |
| CVE-2020-1684 | 7.5 HIGH | Junos OS: SRX Series: High CPU load due to processing for HTTP traffic when Application Id |
| CVE-2020-1683 | 7.5 HIGH | Junos OS: Memory leak leads to kernel crash (vmcore) due to SNMP polling |
| CVE-2020-1679 | 7.5 HIGH | Junos OS: PTX/QFX Series: Kernel Routing Table (KRT) queue stuck after packet sampling a m |
| CVE-2020-1672 | 7.5 HIGH | Junos OS: jdhcpd process crash when processing a specific DHCPDv6 packet in DHCPv6 relay c |
| CVE-2020-1662 | 7.5 HIGH | Junos OS and Junos OS Evolved: RPD crash due to BGP session flapping. |
| CVE-2020-1671 | 7.5 HIGH | Junos OS: Receipt of malformed DHCPv6 packets causes jdhcpd to crash. |
| CVE-2020-1676 | 7.2 HIGH | Juniper Networks Mist Cloud UI: SAML authentication response handling vulnerability. |
| CVE-2020-1677 | 7.2 HIGH | Juniper Networks Mist Cloud UI: SAML authentication attribute elements handling vulnerabil |
| CVE-2020-1666 | 6.6 MEDIUM | Junos OS Evolved: 'console log-out-on-disconnect' fails to terminate session on console ca |
| CVE-2020-1681 | 6.5 MEDIUM | Junos OS Evolved: Receipt of a specifically malformed NDP packet could lead to Denial of S |
| CVE-2020-1689 | 6.5 MEDIUM | Junos OS: EX4300-MP/EX4600/QFX5K Series: High CPU load due to receipt of specific layer 2 |
| CVE-2020-1688 | 6.5 MEDIUM | Junos OS: SRX and NFX Series: Insufficient Web API private key protection |
Showing top 20 of 30 CVEs. View all on vendor page → →
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