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CVE-2019-9971

Quick assessment

Affected
n/a n/a
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.

3CX Phone是一款基于软件的专用分支交换机。该产品可与基于SIP标准的IP电话、SIP中继和VoIP网关配合使用，提供完整的通信解决方案。 3CX Phone System 16.0.0.1570 版本存在安全漏洞，该漏洞源于 tcpdump 的 -z（又名 postrotate-command）选项与 sudo 结合使用时可能不安全。攻击者利用该漏洞可通过使用 sudo 和 tcpdump 命令无需密码获得 root 权限。

AI Predicted 7.8 Difficulty: Trivial EPSS 1.69% · P76
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I. Basic Information for CVE-2019-9971

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
PhoneSystem Terminal in 3CX Phone System (Debian based installation) 16.0.0.1570 allows an attacker to gain root privileges by using sudo with the tcpdump command, without a password. This occurs because the -z (aka postrotate-command) option to tcpdump can be unsafe when used in conjunction with sudo.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
3CX Phone 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
3CX Phone是一款基于软件的专用分支交换机。该产品可与基于SIP标准的IP电话、SIP中继和VoIP网关配合使用，提供完整的通信解决方案。 3CX Phone System 16.0.0.1570 版本存在安全漏洞，该漏洞源于 tcpdump 的 -z（又名 postrotate-command）选项与 sudo 结合使用时可能不安全。攻击者利用该漏洞可通过使用 sudo 和 tcpdump 命令无需密码获得 root 权限。
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
- n/a n/a -

II. Public POCs for CVE-2019-9971

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III. Intelligence Information for CVE-2019-9971

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Security Blog Posts for CVE-2019-9971 (1)

Other References for CVE-2019-9971 (2)

Same Patch Batch · n/a · 2022-06-07 · 10 CVEs total

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CVE-2022-31495 LibreHealth EHR 跨站脚本漏洞
CVE-2022-1708 CRI-O 资源管理错误漏洞
CVE-2019-9972 3CX Phone 命令注入漏洞
CVE-2022-29620 FileZilla 安全漏洞
CVE-2022-30466 Joy ebike Wolf 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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