Vulnerability-Lookup

CNVD-2020-46243

Vulnerability from cnvd - Published: 2020-08-16

Title

Artifex Software Ghostscript缓冲区溢出漏洞（CNVD-2020-46243）

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 v9.50版本中的contrib/gdevdj9.c文件存在缓冲区溢出漏洞。远程攻击者可借助特制的PDF文件利用该漏洞造成拒绝服务。

Severity

中

Patch Name

Artifex GhostScript缓冲区溢出漏洞（CNVD-2020-46243）的补丁

Patch Description

Ghostscript是基于Adobe Systems的PostScript和便携式文档格式（PDF）页面描述语言的解释器的一套软件。 Artifex GhostScript 9.50中的contrib/gdevdj9.c存在缓冲区溢出漏洞。攻击者可通过特制PDF文件利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： http://git.ghostscript.com/?p=ghostpdl.git;h=4f73e8b4d578e69a17f452fa60d2130c5faaefd6

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-16291

Impacted products

Name
Artifex Software Artifex Software Ghostscript 9.50

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-16291",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-16291"
    }
  },
  "description": "Artifex Software Ghostscript\u662f\u7f8e\u56fdArtifex Software\u516c\u53f8\u7684\u4e00\u6b3e\u5f00\u6e90\u7684PostScript\uff08\u4e00\u79cd\u7528\u4e8e\u7535\u5b50\u4ea7\u4e1a\u548c\u684c\u9762\u51fa\u7248\u9886\u57df\u7684\u9875\u9762\u63cf\u8ff0\u8bed\u8a00\u548c\u7f16\u7a0b\u8bed\u8a00\uff09\u89e3\u6790\u5668\u3002\u8be5\u4ea7\u54c1\u53ef\u663e\u793aPostscript\u6587\u4ef6\u4ee5\u53ca\u5728\u975ePostscript\u6253\u5370\u673a\u4e0a\u6253\u5370Postscript\u6587\u4ef6\u3002\n\nArtifex Software Ghostscript v9.50\u7248\u672c\u4e2d\u7684contrib/gdevdj9.c\u6587\u4ef6\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684PDF\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://git.ghostscript.com/?p=ghostpdl.git;h=4f73e8b4d578e69a17f452fa60d2130c5faaefd6",
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  "number": "CNVD-2020-46243",
  "openTime": "2020-08-16",
  "patchDescription": "Ghostscript\u662f\u57fa\u4e8eAdobe Systems\u7684PostScript\u548c\u4fbf\u643a\u5f0f\u6587\u6863\u683c\u5f0f\uff08PDF\uff09\u9875\u9762\u63cf\u8ff0\u8bed\u8a00\u7684\u89e3\u91ca\u5668\u7684\u4e00\u5957\u8f6f\u4ef6\u3002\r\nArtifex GhostScript 9.50\u4e2d\u7684contrib/gdevdj9.c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236PDF\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Artifex GhostScript\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-46243\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Artifex Software  Artifex Software Ghostscript 9.50"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-16291",
  "serverity": "\u4e2d",
  "submitTime": "2020-08-14",
  "title": "Artifex Software Ghostscript\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-46243\uff09"
}

CVE-2020-16291 (GCVE-0-2020-16291)

Vulnerability from cvelistv5 – Published: 2020-08-13 02:08 – Updated: 2025-03-04 18:49

Summary

A buffer overflow vulnerability in contrib/gdevdj9.c of Artifex Software GhostScript v9.18 to v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
https://bugs.ghostscript.com/show_bug.cgi?id=701787
http://git.ghostscript.com/?p=ghostpdl.git;h=4f73…
https://lists.debian.org/debian-lts-announce/2020…	mailing-list
https://www.debian.org/security/2020/dsa-4748	vendor-advisory
https://security.gentoo.org/glsa/202008-20	vendor-advisory
https://usn.ubuntu.com/4469-1/	vendor-advisory
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/gho…
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/gho…
http://git.ghostscript.com/?p=ghostpdl.git%3Bh=4f…	x_refsource_MISCx_transferred

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.