Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2020-1647— Junos OS: SRX Series: Double free vulnerability can lead to DoS or remote code execution due to the processing of a specific HTTP message when ICAP redirect service is enabled

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）中存在资源管理错误漏洞。远程攻击者可利用该漏洞导致拒绝服务或执行代码。以下产品及版本受到影响：Juniper Networks Junos OS 18.1版本，18.2版本，18.3版本，18.4版本，19.1版本，19.2版本，19.

CVSS 9.8 · Critical EPSS 2.65% · P85
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-1647

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Junos OS: SRX Series: Double free vulnerability can lead to DoS or remote code execution due to the processing of a specific HTTP message when ICAP redirect service is enabled
Source: CVE Program / CVE List V5
Vulnerability Description
On Juniper Networks SRX Series with ICAP (Internet Content Adaptation Protocol) redirect service enabled, a double free vulnerability can lead to a Denial of Service (DoS) or Remote Code Execution (RCE) due to processing of a specific HTTP message. Continued processing of this specific HTTP message may result in an extended Denial of Service (DoS). The offending HTTP message that causes this issue may originate both from the HTTP server or the client. This issue affects Juniper Networks Junos OS on SRX Series: 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S3; 18.3 versions prior to 18.3R2-S4, 18.3R3-S1; 18.4 versions prior to 18.4R2-S5, 18.4R3; 19.1 versions prior to 19.1R2; 19.2 versions prior to 19.2R1-S2, 19.2R2; 19.3 versions prior to 19.3R2. This issue does not affect Juniper Networks Junos OS prior to 18.1R1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
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。 Juniper Networks Junos OS（SRX Series）中存在资源管理错误漏洞。远程攻击者可利用该漏洞导致拒绝服务或执行代码。以下产品及版本受到影响：Juniper Networks Junos OS 18.1版本，18.2版本，18.3版本，18.4版本，19.1版本，19.2版本，19.
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 unspecified ~ 18.1R1 -

II. Public POCs for CVE-2020-1647

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-1647

请登录查看更多情报信息。

Vendor Advisories for CVE-2020-1647 (1)

Same Patch Batch · Juniper Networks · 2020-07-17 · 15 CVEs total

CVE-2020-1654 9.8 CRITICAL Junos OS: SRX Series: processing a malformed HTTP message when ICAP redirect service is en
CVE-2020-1645 8.3 HIGH Junos OS: MX Series: Services card might restart when DNS filtering is enabled
CVE-2020-1653 7.5 HIGH Junos OS: Kernel crash (vmcore) or FPC crash due to mbuf leak
CVE-2020-1649 7.5 HIGH Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of small fragments requiring reass
CVE-2020-1650 7.5 HIGH Junos OS: MX Series: Denial of Service vulnerability in MS-PIC component on MS-MIC or MS-M
CVE-2020-1648 7.5 HIGH Junos OS and Junos OS Evolved: RPD crash when processing a specific BGP packet
CVE-2020-1646 7.5 HIGH Junos OS and Junos OS Evolved: RPD crash while processing a specific BGP update informatio
CVE-2020-1644 7.5 HIGH Junos OS and Junos OS Evolved: RPD crash due to specific BGP UPDATE packets
CVE-2020-1640 7.5 HIGH Junos OS: Receipt of certain genuine BGP packets from any BGP Speaker causes RPD to crash.
CVE-2020-1651 6.5 MEDIUM Junos OS: MX Series: PFE on the line card may crash due to memory leak.
CVE-2020-1641 6.5 MEDIUM Junos OS: A race condition on receipt of crafted LLDP packets leads to a memory leak and a
CVE-2020-1652 5.6 MEDIUM Junos Space: OpenNMS is accessible via port 9443
CVE-2020-1643 5.5 MEDIUM Junos OS: EX Series: RPD crash when executing specific "show ospf interface" commands from
CVE-2020-1655 5.3 MEDIUM Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of large packets requiring fragmen

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-415

V. Comments for CVE-2020-1647

No comments yet

Leave a comment