Vulnerability-Lookup

CNVD-2020-36741

Vulnerability from cnvd - Published: 2020-07-07

Title

Pengutronix barebox缓冲区溢出漏洞（CNVD-2020-36741）

Description

Pengutronix barebox是一款使用在嵌入式Linux系统中的引导加载程序。 Pengutronix barebox 2020.05.0及之前版本中的net/nfs.c文件的nfs_read_reply存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

中

Patch Name

Pengutronix barebox缓冲区溢出漏洞（CNVD-2020-36741）的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://git.pengutronix.de/cgit/barebox/commit/net/nfs.c?h=next&id=c0f0cbd1759a6ca6cbda4001dff5764f6633c825

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-13910

Impacted products

Name
Pengutronix Barebox <=2020.05.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13910"
    }
  },
  "description": "Pengutronix barebox\u662f\u4e00\u6b3e\u4f7f\u7528\u5728\u5d4c\u5165\u5f0fLinux\u7cfb\u7edf\u4e2d\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u3002\n\nPengutronix barebox 2020.05.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684net/nfs.c\u6587\u4ef6\u7684nfs_read_reply\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://git.pengutronix.de/cgit/barebox/commit/net/nfs.c?h=next\u0026id=c0f0cbd1759a6ca6cbda4001dff5764f6633c825",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-36741",
  "openTime": "2020-07-07",
  "patchDescription": "Pengutronix barebox\u662f\u4e00\u6b3e\u4f7f\u7528\u5728\u5d4c\u5165\u5f0fLinux\u7cfb\u7edf\u4e2d\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u3002\r\n\r\nPengutronix barebox 2020.05.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684net/nfs.c\u6587\u4ef6\u7684nfs_read_reply\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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": "Pengutronix barebox\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-36741\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Pengutronix Barebox \u003c=2020.05.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-13910",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-08",
  "title": "Pengutronix barebox\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-36741\uff09"
}

CVE-2020-13910 (GCVE-0-2020-13910)

Vulnerability from cvelistv5 – Published: 2020-06-07 19:36 – Updated: 2024-08-04 12:32

Summary

Pengutronix Barebox through v2020.05.0 has an out-of-bounds read in nfs_read_reply in net/nfs.c because a field of an incoming network packet is directly used as a length field without any bounds check.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://git.pengutronix.de/cgit/barebox/commit/ne…	x_refsource_MISC

Show details on NVD website

JSON

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{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:32:14.210Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.pengutronix.de/cgit/barebox/commit/net/nfs.c?h=next\u0026id=c0f0cbd1759a6ca6cbda4001dff5764f6633c825"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Pengutronix Barebox through v2020.05.0 has an out-of-bounds read in nfs_read_reply in net/nfs.c because a field of an incoming network packet is directly used as a length field without any bounds check."
        }
      ],
      "problemTypes": [
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-07T19:36:33.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.pengutronix.de/cgit/barebox/commit/net/nfs.c?h=next\u0026id=c0f0cbd1759a6ca6cbda4001dff5764f6633c825"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-13910",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "version": {
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                            "version_value": "n/a"
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        "data_version": "4.0",
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          ]
        },
        "problemtype": {
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              "refsource": "MISC",
              "url": "https://git.pengutronix.de/cgit/barebox/commit/net/nfs.c?h=next\u0026id=c0f0cbd1759a6ca6cbda4001dff5764f6633c825"
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    "datePublished": "2020-06-07T19:36:33.000Z",
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    "dateUpdated": "2024-08-04T12:32:14.210Z",
    "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.

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.

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Action not permitted

CNVD-2020-36741

CVE-2020-13910 (GCVE-0-2020-13910)

Tags

Sightings

Nomenclature

Related by attack behaviour