CVE-2020-3246— Cisco Umbrella Carriage Return Line Feed Injection Vulnerability
Quick assessment
Affected
Cisco Cisco Umbrella
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.
Cisco Umbrella是美国思科（Cisco）公司的一套云安全平台。该平台能够预防网络钓鱼、恶意软件和勒索软件等网络威胁。 Cisco Umbrella中存在注入漏洞，该漏洞源于程序没有充分验证用户提交的输入。远程攻击者可通过诱使用户访问特制的URL利用该漏洞向发往用户浏览器的HTTP响应中注入任意的HTTP头。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2020-3246
Vulnerability Information
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Vulnerability Title
Cisco Umbrella Carriage Return Line Feed Injection Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web server of Cisco Umbrella could allow an unauthenticated, remote attacker to perform a carriage return line feed (CRLF) injection attack against a user of an affected service. The vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user to access a crafted URL. A successful exploit could allow the attacker to inject arbitrary HTTP headers into valid HTTP responses sent to the browser of the user.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Umbrella 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Umbrella是美国思科（Cisco）公司的一套云安全平台。该平台能够预防网络钓鱼、恶意软件和勒索软件等网络威胁。 Cisco Umbrella中存在注入漏洞，该漏洞源于程序没有充分验证用户提交的输入。远程攻击者可通过诱使用户访问特制的URL利用该漏洞向发往用户浏览器的HTTP响应中注入任意的HTTP头。
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 |
|---|---|---|---|---|
| Cisco | Cisco Umbrella | n/a | - |
|
II. Public POCs for CVE-2020-3246
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-3246 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-umbrella-head-inject-n4QArJH vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2020-05-06 · 35 CVEs total
| CVE-2020-3298 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Malformed | |
| CVE-2020-3196 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS D | |
| CVE-2020-3253 | Cisco Firepower Threat Defense Software Shell Access Vulnerability | |
| CVE-2020-3254 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Media Gat | |
| CVE-2020-3255 | Cisco Firepower Threat Defense Software Packet Flood Denial of Service Vulnerability | |
| CVE-2020-3256 | Cisco Hosted Collaboration Mediation Fulfillment XML External Expansion Vulnerability | |
| CVE-2020-3259 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Servi | |
| CVE-2020-3283 | Cisco Firepower 1000 Series SSL/TLS Denial of Service Vulnerability | |
| CVE-2020-3285 | Cisco Firepower Threat Defense Software SSL/TLS URL Category Bypass Vulnerability | |
| CVE-2020-3195 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software OSPF Pack | |
| CVE-2020-3301 | Cisco Firepower Management Center Static Credential Vulnerabilities | |
| CVE-2020-3302 | Cisco Firepower Management Center File Overwrite Vulnerability | |
| CVE-2020-3303 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IKEv1 Den | |
| CVE-2020-3305 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software BGP Denia | |
| CVE-2020-3306 | Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DHCP Deni | |
| CVE-2020-3307 | Cisco Firepower Management Center Arbitrary Log File Write Vulnerability | |
| CVE-2020-3308 | Cisco Firepower Threat Defense Software Signature Verification Bypass Vulnerability | |
| CVE-2020-3315 | Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability | |
| CVE-2020-3178 | Cisco Content Security Management Appliance Open Redirect Vulnerabilities | |
| CVE-2020-3179 | Cisco Firepower Threat Defense Software Generic Routing Encapsulation Tunnel IPv6 Denial o |
Showing top 20 of 35 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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V. Comments for CVE-2020-3246
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