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CVE-2019-14868

Quick assessment

Affected
KornShell ksh
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.

ksh是个人开发者的一种 Shell 语言。 ksh 20120801版本中存在命令注入漏洞。远程攻击者利用该漏洞覆盖或绕过环境限制来执行shell命令。

CVSS 7.4 · High EPSS 1.39% · P72

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2019-14868

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In ksh version 20120801, a flaw was found in the way it evaluates certain environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Services and applications that allow remote unauthenticated attackers to provide one of those environment variables could allow them to exploit this issue remotely.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
ksh 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ksh是个人开发者的一种 Shell 语言。 ksh 20120801版本中存在命令注入漏洞。远程攻击者利用该漏洞覆盖或绕过环境限制来执行shell命令。
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
KornShell ksh 20120801 -

II. Public POCs for CVE-2019-14868

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III. Intelligence Information for CVE-2019-14868

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Patches & Fixes for CVE-2019-14868 (1)

Vendor Advisories for CVE-2019-14868 (1)

Mailing List Discussions for CVE-2019-14868 (2)

IV. Related Vulnerabilities

Same weakness: CWE-77

V. Comments for CVE-2019-14868

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