Vulnerability-Lookup

CNVD-2021-101880

Vulnerability from cnvd - Published: 2021-12-23

Title

Bentley View内存错误引用漏洞

Description

Bentley View是美国Bentley Systems公司的一个免费查看器。 Bentley View 存在内存错误引用漏洞，该漏洞源于处理JT文件时的边界错误。攻击者可利用该漏洞创建一个专门制作的JT文件，诱使受害者使用受影响的软件打开文件，在目标系统上触发越界写入和执行任意代码。

Severity

高

Patch Name

Bentley View内存错误引用漏洞的补丁

Patch Description

Bentley View是美国Bentley Systems公司的一个免费查看器。 Bentley View 存在内存错误引用漏洞，该漏洞源于处理JT文件时的边界错误。攻击者可利用该漏洞创建一个专门制作的JT文件，诱使受害者使用受影响的软件打开文件，在目标系统上触发越界写入和执行任意代码。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://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005

Reference

https://www.cybersecurity-help.cz/vdb/SB2021120823

Impacted products

Name
bentley Bentley Systems Bentley View <10.16.01.56

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-34939",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-34939"
    }
  },
  "description": "Bentley View\u662f\u7f8e\u56fdBentley Systems\u516c\u53f8\u7684\u4e00\u4e2a\u514d\u8d39\u67e5\u770b\u5668\u3002\n\nBentley View \u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5904\u7406JT\u6587\u4ef6\u65f6\u7684\u8fb9\u754c\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u4e00\u4e2a\u4e13\u95e8\u5236\u4f5c\u7684JT\u6587\u4ef6\uff0c\u8bf1\u4f7f\u53d7\u5bb3\u8005\u4f7f\u7528\u53d7\u5f71\u54cd\u7684\u8f6f\u4ef6\u6253\u5f00\u6587\u4ef6\uff0c\u5728\u76ee\u6807\u7cfb\u7edf\u4e0a\u89e6\u53d1\u8d8a\u754c\u5199\u5165\u548c\u6267\u884c\u4efb\u610f\u4ee3\u7801\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://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-101880",
  "openTime": "2021-12-23",
  "patchDescription": "Bentley View\u662f\u7f8e\u56fdBentley Systems\u516c\u53f8\u7684\u4e00\u4e2a\u514d\u8d39\u67e5\u770b\u5668\u3002\r\n\r\nBentley View \u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5904\u7406JT\u6587\u4ef6\u65f6\u7684\u8fb9\u754c\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u4e00\u4e2a\u4e13\u95e8\u5236\u4f5c\u7684JT\u6587\u4ef6\uff0c\u8bf1\u4f7f\u53d7\u5bb3\u8005\u4f7f\u7528\u53d7\u5f71\u54cd\u7684\u8f6f\u4ef6\u6253\u5f00\u6587\u4ef6\uff0c\u5728\u76ee\u6807\u7cfb\u7edf\u4e0a\u89e6\u53d1\u8d8a\u754c\u5199\u5165\u548c\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "Bentley View\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "bentley Bentley Systems Bentley View \u003c10.16.01.56"
  },
  "referenceLink": "https://www.cybersecurity-help.cz/vdb/SB2021120823",
  "serverity": "\u9ad8",
  "submitTime": "2021-12-12",
  "title": "Bentley View\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2021-34939 (GCVE-0-2021-34939)

Vulnerability from cvelistv5 – Published: 2022-01-13 21:44 – Updated: 2024-08-04 00:26

Summary

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JT files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14996.

Severity ?

7.8 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-416 - Use After Free

Assigner

zdi

References

URL

Tags

	https://www.bentley.com/en/common-vulnerability-e…	x_refsource_MISC
	https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Bentley	View	Affected: 10.15.0.75

Credits

Mat Powell of Trend Micro Zero Day Initiative

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:26:55.682Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1527/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "View",
          "vendor": "Bentley",
          "versions": [
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          "value": "This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JT files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14996."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
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        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1527/"
        }
      ],
      "x_legacyV4Record": {
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              {
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            }
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        },
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              "url": "https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005"
            },
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-1527/",
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              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1527/"
            }
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2021-101880

CVE-2021-34939 (GCVE-0-2021-34939)

Tags

Sightings

Nomenclature