Vulnerability-Lookup

CNVD-2017-06743

Vulnerability from cnvd - Published: 2017-05-16

Title

Bro缓冲区溢出漏洞

Description

Bro是一个开源的网络分析和安全监控的框架。 Bro 2.3.2之前的版本中的analyzer/protocol/dnp3/DNP3.cc文件存在安全漏洞，该漏洞源于程序未能正确的处理长度为零的数据包。远程攻击者可借助特制的DNP3数据包利用该漏洞造成拒绝服务（缓冲区溢出或缓冲区越边界读取）。

Severity

中

Patch Name

Bro缓冲区溢出漏洞的补丁

Patch Description

Bro是一个开源的网络分析和安全监控的框架。 Bro 2.3.2之前的版本中的analyzer/protocol/dnp3/DNP3.cc文件存在安全漏洞，该漏洞源于程序未能正确的处理长度为零的数据包。远程攻击者可借助特制的DNP3数据包利用该漏洞造成拒绝服务（缓冲区溢出或缓冲区越边界读取）。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接: https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0

Reference

https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0

Impacted products

Name
Bro Bro <2.3.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1521",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1521"
    }
  },
  "description": "Bro\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7f51\u7edc\u5206\u6790\u548c\u5b89\u5168\u76d1\u63a7\u7684\u6846\u67b6\u3002\r\n\r\nBro 2.3.2\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684analyzer/protocol/dnp3/DNP3.cc\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u957f\u5ea6\u4e3a\u96f6\u7684\u6570\u636e\u5305\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684DNP3\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u7f13\u51b2\u533a\u8d8a\u8fb9\u754c\u8bfb\u53d6\uff09\u3002",
  "discovererName": "Travis Emmert",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5:\r\nhttps://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-06743",
  "openTime": "2017-05-16",
  "patchDescription": "Bro\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7f51\u7edc\u5206\u6790\u548c\u5b89\u5168\u76d1\u63a7\u7684\u6846\u67b6\u3002\r\n\r\nBro 2.3.2\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684analyzer/protocol/dnp3/DNP3.cc\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u957f\u5ea6\u4e3a\u96f6\u7684\u6570\u636e\u5305\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684DNP3\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u7f13\u51b2\u533a\u8d8a\u8fb9\u754c\u8bfb\u53d6\uff09\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": "Bro\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Bro Bro \u003c2.3.2"
  },
  "referenceLink": "https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0",
  "serverity": "\u4e2d",
  "submitTime": "2017-04-25",
  "title": "Bro\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2015-1521 (GCVE-0-2015-1521)

Vulnerability from cvelistv5 – Published: 2017-04-24 06:12 – Updated: 2024-08-06 04:47

Summary

analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-read if NDEBUG; otherwise assertion failure) via a crafted DNP3 packet.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/bro/bro/commit/6cedd67c381ff22…	x_refsource_CONFIRM

Date Public

2015-01-27 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T04:47:16.983Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-01-27T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-read if NDEBUG; otherwise assertion failure) via a crafted DNP3 packet."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-04-24T05:57:02.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2015-1521",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "eng",
              "value": "analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-read if NDEBUG; otherwise assertion failure) via a crafted DNP3 packet."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0",
              "refsource": "CONFIRM",
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-1521",
    "datePublished": "2017-04-24T06:12:00.000Z",
    "dateReserved": "2015-02-06T00:00:00.000Z",
    "dateUpdated": "2024-08-06T04:47:16.983Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.