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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2019-1887— Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Unified Communications Manager
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 Unified Communications Manager（CUCM，Unified CM，CallManager）是美国思科（Cisco）公司的一款统一通信系统中的呼叫处理组件。该组件提供了一种可扩展、可分布和高可用的企业IP电话呼叫处理解决方案。 Cisco CUCM中的SIP协议实现存在缓冲区错误漏洞，该漏洞源于程序没有充分地验证输入的SIP流量。远程攻击者可通过发送畸形的SIP数据包利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 1.77% · P77

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2019-1887

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of input SIP traffic. An attacker could exploit this vulnerability by sending a malformed SIP packet to an affected Cisco Unified Communications Manager. A successful exploit could allow the attacker to trigger a new registration process on all connected phones, temporarily disrupting service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Unified Communications Manager 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Unified Communications Manager（CUCM，Unified CM，CallManager）是美国思科（Cisco）公司的一款统一通信系统中的呼叫处理组件。该组件提供了一种可扩展、可分布和高可用的企业IP电话呼叫处理解决方案。 Cisco CUCM中的SIP协议实现存在缓冲区错误漏洞，该漏洞源于程序没有充分地验证输入的SIP流量。远程攻击者可通过发送畸形的SIP数据包利用该漏洞造成拒绝服务。
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
Cisco Cisco Unified Communications Manager unspecified ~ 12.0(1)SU3 -

II. Public POCs for CVE-2019-1887

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2019-1887

请登录查看更多情报信息。

Vendor Advisories for CVE-2019-1887 (1)

Same Patch Batch · Cisco · 2019-07-06 · 13 CVEs total

CVE-2019-1930 Cisco Firepower Management Center RSS Cross-Site Scripting Vulnerabilities
CVE-2019-1931 Cisco Firepower Management Center RSS Cross-Site Scripting Vulnerabilities
CVE-2019-1932 Cisco Advanced Malware Protection for Endpoints Windows Command Injection Vulnerability
CVE-2019-1933 Cisco Email Security Appliance Content Filter Bypass Vulnerability
CVE-2019-1921 Cisco Email Security Appliance Content Filter Bypass Vulnerability
CVE-2019-1922 Cisco IP Phone 7800 and 8800 Series Session Initiation Protocol Denial of Service Vulnerab
CVE-2019-1893 Cisco Enterprise NFV Infrastructure Software Command Injection Vulnerability
CVE-2019-1894 Cisco Enterprise NFV Infrastructure Software Arbitrary File Read and Write Vulnerability
CVE-2019-1909 Cisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability
CVE-2019-1911 Cisco Unified Communications Domain Manager Restricted Shell Escape Vulnerability
CVE-2019-1891 Cisco Small Business Series Switches HTTP Denial of Service Vulnerability
CVE-2019-1892 Cisco Small Business Series Switches Memory Corruption Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Unified Communications Manager
Same vendor: Cisco
Same weakness: CWE-787

V. Comments for CVE-2019-1887

No comments yet

Leave a comment