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CVE-2019-1703— Cisco Firepower Threat Defense Software Packet Processing Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Firepower Threat Defense Software
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 Firepower 2100 Series中的FTD存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。

AI Predicted 7.5 Difficulty: Easy EPSS 2.89% · P86
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I. Basic Information for CVE-2019-1703

Vulnerability Information
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Vulnerability Title
Cisco Firepower Threat Defense Software Packet Processing Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the internal packet-processing functionality of Cisco Firepower Threat Defense (FTD) Software for the Cisco Firepower 2100 Series could allow an unauthenticated, remote attacker to cause an affected device to stop processing traffic, resulting in a denial of service (DoS) condition. The vulnerability is due to a logic error, which may prevent ingress buffers from being replenished under specific traffic conditions. An attacker could exploit this vulnerability by sending a series of crafted packets to an affected device. A successful exploit could allow the attacker to consume all input buffers, which are shared between all interfaces, leading to a queue wedge condition in all active interfaces. This situation would cause an affected device to stop processing any incoming traffic and result in a DoS condition until the device is reloaded manually.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Cisco Firepower 2100 Series Firepower Threat Defense 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Firepower 2100 Series中的FTD存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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 Firepower Threat Defense Software unspecified ~ 6.2.3.12 -

II. Public POCs for CVE-2019-1703

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III. Intelligence Information for CVE-2019-1703

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Vendor Advisories for CVE-2019-1703 (2)

Same Patch Batch · Cisco · 2019-05-03 · 41 CVEs total

CVE-2019-1692 Cisco Application Policy Infrastructure Controller Web-Based Management Interface Usage In
CVE-2019-1701 Cisco Adaptive Security Appliance and Firepower Threat Defense Software WebVPN Cross-Site
CVE-2019-1704 Cisco Firepower Threat Defense Software SMB Protocol Preprocessor Detection Engine Denial
CVE-2019-1699 Cisco Firepower Threat Defense Software Command Injection Vulnerability
CVE-2019-1697 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Lightweig
CVE-2019-1694 Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software TCP
CVE-2019-1695 Cisco Adaptive Security Appliance and Firepower Threat Defense Software Layer 2 Filtering
CVE-2019-1696 Cisco Firepower Threat Defense Software SMB Protocol Preprocessor Detection Engine Denial
CVE-2019-1693 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN De
CVE-2019-1687 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software TCP Proxy
CVE-2019-1709 Cisco Firepower Threat Defense Software Command Injection Vulnerability
CVE-2019-1635 Cisco IP Phone 7800 Series and 8800 Series Session Initiation Protocol XML Denial of Servi
CVE-2019-1682 Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability
CVE-2019-1589 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Unmeasured
CVE-2019-1590 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Insecure F
CVE-2019-1592 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Privilege
CVE-2018-15462 Cisco Firepower Threat Defense Software TCP Ingress Handler Denial of Service Vulnerabilit
CVE-2019-1586 Cisco Application Policy Infrastructure Controller Recoverable Encryption Key Vulnerabilit
CVE-2019-1587 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Filter Que
CVE-2018-15388 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN De

Showing top 20 of 41 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Firepower Threat Defense Software
Same vendor: Cisco
Same weakness: CWE-400

V. Comments for CVE-2019-1703

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