Vulnerability-Lookup

CNVD-2021-16433

Vulnerability from cnvd - Published: 2021-03-11

Title

Contiki越界读取漏洞

Description

Contiki是一款用于内存受限系统的开源、高度可移植、网络化的多任务操作系统。 Contiki中的uIP TCP/IP Stack组件中的net/ipv4/uip.c中的upper_layer_chksum在计算IP数据包的校验和时存在越界读取漏洞。攻击者可利用漏洞通过发送构建的IP数据包在设备上触发拒绝服务条件。

Severity

中

Patch Name

Contiki越界读取漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-13987

Impacted products

Name
Contiki Contiki 3.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13987",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-13987"
    }
  },
  "description": "Contiki\u662f\u4e00\u6b3e\u7528\u4e8e\u5185\u5b58\u53d7\u9650\u7cfb\u7edf\u7684\u5f00\u6e90\u3001\u9ad8\u5ea6\u53ef\u79fb\u690d\u3001\u7f51\u7edc\u5316\u7684\u591a\u4efb\u52a1\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nContiki\u4e2d\u7684uIP TCP/IP Stack\u7ec4\u4ef6\u4e2d\u7684net/ipv4/uip.c\u4e2d\u7684upper_layer_chksum\u5728\u8ba1\u7b97IP\u6570\u636e\u5305\u7684\u6821\u9a8c\u548c\u65f6\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u6784\u5efa\u7684IP\u6570\u636e\u5305\u5728\u8bbe\u5907\u4e0a\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\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://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-16433",
  "openTime": "2021-03-11",
  "patchDescription": "Contiki\u662f\u4e00\u6b3e\u7528\u4e8e\u5185\u5b58\u53d7\u9650\u7cfb\u7edf\u7684\u5f00\u6e90\u3001\u9ad8\u5ea6\u53ef\u79fb\u690d\u3001\u7f51\u7edc\u5316\u7684\u591a\u4efb\u52a1\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nContiki\u4e2d\u7684uIP TCP/IP Stack\u7ec4\u4ef6\u4e2d\u7684net/ipv4/uip.c\u4e2d\u7684upper_layer_chksum\u5728\u8ba1\u7b97IP\u6570\u636e\u5305\u7684\u6821\u9a8c\u548c\u65f6\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u6784\u5efa\u7684IP\u6570\u636e\u5305\u5728\u8bbe\u5907\u4e0a\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\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": "Contiki\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Contiki Contiki 3.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-13987",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-14",
  "title": "Contiki\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e"
}

CVE-2020-13987 (GCVE-0-2020-13987)

Vulnerability from cvelistv5 – Published: 2020-12-11 21:37 – Updated: 2024-08-04 12:32

Summary

An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://www.kb.cert.org/vuls/id/815128	x_refsource_MISC
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01	x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM

Date Public

2020-12-08 00:00

Show details on NVD website

JSON

To clipboard

{
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    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:32:14.666Z",
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              "x_transferred"
            ],
            "url": "https://www.kb.cert.org/vuls/id/815128"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-541018.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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      ],
      "datePublic": "2020-12-08T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c."
        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "n/a",
              "lang": "en",
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            }
          ]
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      "providerMetadata": {
        "dateUpdated": "2021-03-09T14:06:22.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.kb.cert.org/vuls/id/815128"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-541018.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-13987",
          "STATE": "PUBLIC"
        },
        "affects": {
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                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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                        ]
                      }
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                },
                "vendor_name": "n/a"
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          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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        "problemtype": {
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            },
            {
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              "refsource": "MISC",
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01"
            },
            {
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              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-541018.pdf"
            }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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  "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.