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CVE-2019-1853— Cisco AnyConnect Secure Mobility Client for Linux Out-of-Bounds Memory Read Vulnerability

Quick assessment

Affected
Cisco Cisco AnyConnect Secure Mobility Client
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 AnyConnect Secure Mobility Client for Linux是美国思科（Cisco）公司的一款基于Linux平台的可通过任何设备安全访问网络和应用的安全移动客户端。HostScan是其中的一个网络主机扫描组件。 基于Linux平台的Cisco AnyConnect Secure Mobility Client 4.6(2074)版本中的HostScan组件存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行

AI Predicted 7.5 Difficulty: Moderate EPSS 1.56% · P75
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I. Basic Information for CVE-2019-1853

Vulnerability Information
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Vulnerability Title
Cisco AnyConnect Secure Mobility Client for Linux Out-of-Bounds Memory Read Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the HostScan component of Cisco AnyConnect Secure Mobility Client for Linux could allow an unauthenticated, remote attacker to read sensitive information on an affected system. The vulnerability exists because the affected software performs improper bounds checks. An attacker could exploit this vulnerability by crafting HTTP traffic for the affected component to download and process. A successful exploit could allow the attacker to read sensitive information on the affected system.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco AnyConnect Secure Mobility Client for Linux HostScan组件缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco AnyConnect Secure Mobility Client for Linux是美国思科（Cisco）公司的一款基于Linux平台的可通过任何设备安全访问网络和应用的安全移动客户端。HostScan是其中的一个网络主机扫描组件。 基于Linux平台的Cisco AnyConnect Secure Mobility Client 4.6(2074)版本中的HostScan组件存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行
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 AnyConnect Secure Mobility Client unspecified ~ n/a -

II. Public POCs for CVE-2019-1853

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III. Intelligence Information for CVE-2019-1853

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Vendor Advisories for CVE-2019-1853 (2)

Same Patch Batch · Cisco · 2019-05-16 · 18 CVEs total

CVE-2019-1832 Cisco Firepower Threat Defense Software Detection Engine Policy Bypass Vulnerability
CVE-2019-1825 Cisco Prime Infrastructure and Evolved Programmable Network Manager SQL Injection Vulnerab
CVE-2019-1824 Cisco Prime Infrastructure and Evolved Programmable Network Manager SQL Injection Vulnerab
CVE-2019-1823 Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution
CVE-2019-1822 Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution
CVE-2019-1821 Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution
CVE-2019-1820 Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnera
CVE-2019-1819 Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnera
CVE-2019-1818 Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnera
CVE-2019-1780 Cisco FXOS and NX-OS Software Command Injection Vulnerability
CVE-2019-1860 Cisco Unified Intelligence Center Remote File Injection Vulnerability
CVE-2019-1858 Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnera
CVE-2019-1851 Cisco Identity Services Engine Arbitrary Client Certificate Creation Vulnerability
CVE-2019-1849 Cisco IOS XR Software BGP MPLS-Based EVPN Denial of Service Vulnerability
CVE-2019-1846 Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers MPLS OAM Deni
CVE-2019-1833 Cisco Firepower Threat Defense Software SSL/TLS Policy Bypass Vulnerability
CVE-2019-1768 Cisco NX-OS Software Buffer Overflow and Command Injection Vulnerability

IV. Related Vulnerabilities

Same product: Cisco AnyConnect Secure Mobility Client
Same vendor: Cisco
Same weakness: CWE-125

V. Comments for CVE-2019-1853

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