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CNVD-2020-23209

Vulnerability from cnvd - Published: 2020-04-17

Title

Memcached缓冲区溢出漏洞（CNVD-2020-23209）

Description

Memcached是美国布莱德-菲兹派翠克（Brad Fitzpatrick）软件开发者的一套高性能的分布式内存对象缓存系统。该系统通过在内存中缓存数据和对象来减少读取数据库的次数，从而提高网站访问速度。 Memcached 1.6.2之前的1.6.x版本中的memcached.c文件的‘try_read_command_binary’函数存在缓冲区溢出漏洞，远程攻击者可通过发送特制的二进制协议标头到memcached服务利用该漏洞导致拒绝服务。

Severity

中

Patch Name

Memcached缓冲区溢出漏洞（CNVD-2020-23209）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://github.com/memcached/memcached/issues/629

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-10931

Impacted products

Name
Memcached Memcachedb 1.6.*，<1.6.2

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-10931"
    }
  },
  "description": "Memcached\u662f\u7f8e\u56fd\u5e03\u83b1\u5fb7-\u83f2\u5179\u6d3e\u7fe0\u514b\uff08Brad Fitzpatrick\uff09\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u901a\u8fc7\u5728\u5185\u5b58\u4e2d\u7f13\u5b58\u6570\u636e\u548c\u5bf9\u8c61\u6765\u51cf\u5c11\u8bfb\u53d6\u6570\u636e\u5e93\u7684\u6b21\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7ad9\u8bbf\u95ee\u901f\u5ea6\u3002\n\nMemcached 1.6.2\u4e4b\u524d\u76841.6.x\u7248\u672c\u4e2d\u7684memcached.c\u6587\u4ef6\u7684\u2018try_read_command_binary\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684\u4e8c\u8fdb\u5236\u534f\u8bae\u6807\u5934\u5230memcached\u670d\u52a1\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-23209",
  "openTime": "2020-04-17",
  "patchDescription": "Memcached\u662f\u7f8e\u56fd\u5e03\u83b1\u5fb7-\u83f2\u5179\u6d3e\u7fe0\u514b\uff08Brad Fitzpatrick\uff09\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u901a\u8fc7\u5728\u5185\u5b58\u4e2d\u7f13\u5b58\u6570\u636e\u548c\u5bf9\u8c61\u6765\u51cf\u5c11\u8bfb\u53d6\u6570\u636e\u5e93\u7684\u6b21\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7ad9\u8bbf\u95ee\u901f\u5ea6\u3002\r\n\r\nMemcached 1.6.2\u4e4b\u524d\u76841.6.x\u7248\u672c\u4e2d\u7684memcached.c\u6587\u4ef6\u7684\u2018try_read_command_binary\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684\u4e8c\u8fdb\u5236\u534f\u8bae\u6807\u5934\u5230memcached\u670d\u52a1\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "Memcached\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-23209\uff09\u7684\u8865\u4e01",
  "products": {
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  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-10931",
  "serverity": "\u4e2d",
  "submitTime": "2020-03-25",
  "title": "Memcached\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-23209\uff09"
}

CVE-2020-10931 (GCVE-0-2020-10931)

Vulnerability from cvelistv5 – Published: 2020-03-24 14:25 – Updated: 2024-08-04 11:21

Summary

Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/memcached/memcached/issues/629	x_refsource_MISC
https://github.com/memcached/memcached/commit/02c…	x_refsource_MISC
https://github.com/memcached/memcached/wiki/Relea…	x_refsource_MISC

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JSON

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          "dateUpdated": "2024-08-04T11:21:12.992Z",
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            ],
            "url": "https://github.com/memcached/memcached/issues/629"
          },
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            ],
            "url": "https://github.com/memcached/memcached/commit/02c6a2b62ddcb6fa4569a591d3461a156a636305"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://github.com/memcached/memcached/wiki/ReleaseNotes162"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
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          "versions": [
            {
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      ],
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          "tags": [
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          ],
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        },
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          ],
          "url": "https://github.com/memcached/memcached/commit/02c6a2b62ddcb6fa4569a591d3461a156a636305"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/memcached/memcached/wiki/ReleaseNotes162"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
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          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
              {
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                    {
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                        "version_data": [
                          {
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                      }
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  "cveMetadata": {
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    "datePublished": "2020-03-24T14:25:56.000Z",
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}

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-2020-23209

CVE-2020-10931 (GCVE-0-2020-10931)

Tags

Sightings

Nomenclature

Related by attack behaviour