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CVE-2023-4042— Ghostscript: incomplete fix for cve-2020-16305

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 8
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.

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。 Ghostscript 存在安全漏洞，该漏洞源于Ghostscript 中的 CVE-2020-16305 未修复。

CVSS 5.5 · Medium EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1588.002 · Tool
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I. Basic Information for CVE-2023-4042

Vulnerability Information
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Vulnerability Title
Ghostscript: incomplete fix for cve-2020-16305
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in ghostscript. The fix for CVE-2020-16305 in ghostscript was not included in RHSA-2021:1852-06 advisory as it was claimed to be. This issue only affects the ghostscript package as shipped with Red Hat Enterprise Linux 8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Ghostscript 缓冲区错误漏洞
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。 Ghostscript 存在安全漏洞，该漏洞源于Ghostscript 中的 CVE-2020-16305 未修复。
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
Red Hat Red Hat Enterprise Linux 8 0:9.27-11.el8 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2023-4042

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III. Intelligence Information for CVE-2023-4042

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Vendor Advisories for CVE-2023-4042 (4)

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-125

V. Comments for CVE-2023-4042

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