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CVE-2019-14811

Quick assessment

Affected
Artifex Software ghostscript
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Artifex Software Ghostscript是美国Artifex Software公司的一款开源的PostScript（一种用于电子产业和桌面出版领域的页面描述语言和编程语言）解析器。该产品可显示Postscript文件以及在非Postscript打印机上打印Postscript文件。 Artifex Software Ghostscript 9.50之前版本中存在权限许可和访问控制问题漏洞。攻击者可借助特制的PostScript文件利用该漏洞访问文件系统或执行任意命令。

AI Predicted 9.8 Difficulty: Moderate EPSS 3.75% · P89

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2019-14811

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in, ghostscript versions prior to 9.50, in the .pdf_hook_DSC_Creator procedure where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. A specially crafted PostScript file could disable security protection and then have access to the file system, or execute arbitrary commands.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
特权API的不正确使用
Source: CVE Program / CVE List V5
Vulnerability Title
Artifex Software Ghostscript 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Artifex Software Ghostscript是美国Artifex Software公司的一款开源的PostScript（一种用于电子产业和桌面出版领域的页面描述语言和编程语言）解析器。该产品可显示Postscript文件以及在非Postscript打印机上打印Postscript文件。 Artifex Software Ghostscript 9.50之前版本中存在权限许可和访问控制问题漏洞。攻击者可借助特制的PostScript文件利用该漏洞访问文件系统或执行任意命令。
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
Artifex Software ghostscript ghostscript versions prior to 9.28 -

II. Public POCs for CVE-2019-14811

# POC Description Source Link Shenlong Link
1 This exploit targets CVE-2019-14811 in GS environments where PostScript output is not reflected, but is executed such as PDF previews via png images. https://github.com/matejsmycka/CVE-2019-14811-in-pdf-exploit POC Details
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III. Intelligence Information for CVE-2019-14811

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Vendor Advisories for CVE-2019-14811 (5)

Mailing List Discussions for CVE-2019-14811 (7)

IV. Related Vulnerabilities

Same product: ghostscript
Same vendor: Artifex Software
Same weakness: CWE-648

V. Comments for CVE-2019-14811

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