cnvd - cnvd-2021-16359

cnvd-2021-16359

Vulnerability from cnvd

Title: CGAL libcgal越界读取漏洞（CNVD-2021-16359）

Description:

Libcgal是一个提供几何算法以进行快速可靠的数据处理的开源C++库。

CGAL libcgal CGAL-5.1.1中的Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh->twin()存在越界读取漏洞，攻击者可通过提供恶意输入利用该漏洞实现代码执行。

Severity: 中

Patch Name: CGAL libcgal越界读取漏洞（CNVD-2021-16359）的补丁

Patch Description:

Libcgal是一个提供几何算法以进行快速可靠的数据处理的开源C++库。

CGAL libcgal CGAL-5.1.1中的Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh->twin()存在越界读取漏洞，攻击者可通过提供恶意输入利用该漏洞实现代码执行。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： https://github.com/CGAL/cgal

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-28636

Impacted products

Name
CGAL libcgal CGAL-5.1.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-28636",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-28636"
    }
  },
  "description": "Libcgal\u662f\u4e00\u4e2a\u63d0\u4f9b\u51e0\u4f55\u7b97\u6cd5\u4ee5\u8fdb\u884c\u5feb\u901f\u53ef\u9760\u7684\u6570\u636e\u5904\u7406\u7684\u5f00\u6e90C++\u5e93\u3002\n\nCGAL libcgal CGAL-5.1.1\u4e2d\u7684Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh-\u003etwin()\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u63d0\u4f9b\u6076\u610f\u8f93\u5165\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u4ee3\u7801\u6267\u884c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/CGAL/cgal",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-16359",
  "openTime": "2021-03-10",
  "patchDescription": "Libcgal\u662f\u4e00\u4e2a\u63d0\u4f9b\u51e0\u4f55\u7b97\u6cd5\u4ee5\u8fdb\u884c\u5feb\u901f\u53ef\u9760\u7684\u6570\u636e\u5904\u7406\u7684\u5f00\u6e90C++\u5e93\u3002\r\n\r\nCGAL libcgal CGAL-5.1.1\u4e2d\u7684Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh-\u003etwin()\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u63d0\u4f9b\u6076\u610f\u8f93\u5165\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u4ee3\u7801\u6267\u884c\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": "CGAL libcgal\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2021-16359\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "CGAL libcgal CGAL-5.1.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-28636",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-05",
  "title": "CGAL libcgal\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2021-16359\uff09"
}

CVE-2020-28636 (GCVE-0-2020-28636)

Vulnerability from cvelistv5

Published

2021-03-04 00:00

Modified

2025-04-23 19:44

Severity ?

10.0 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-129 - Improper Validation of Array Index

Summary

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh->twin() An attacker can provide malicious input to trigger this vulnerability.

References

▼	URL	Tags
	https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E4J344OKKDLPRN422OYRR46HDEN6MM6P/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NB5SF5OJR2DSV7CC6U7FVW5VJSJO5EKV/	vendor-advisory
	https://lists.debian.org/debian-lts-announce/2021/05/msg00002.html	mailing-list
	https://lists.debian.org/debian-lts-announce/2022/12/msg00011.html	mailing-list
	https://security.gentoo.org/glsa/202305-34	vendor-advisory

Impacted products

	Vendor	Product	Version
	n/a	CGAL	Version: CGAL Project libcgal CGAL-5.1.1

Show details on NVD website

JSON

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        "metrics": [
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    "datePublished": "2021-03-04T00:00:00.000Z",
    "dateReserved": "2020-11-13T00:00:00.000Z",
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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