Vulnerability-Lookup

CNVD-2022-70072

Vulnerability from cnvd - Published: 2022-10-21

Title

Grok缓冲区溢出漏洞

Description

Grok是一种采用组合多个预定义的正则表达式。用来匹配分割文本并映射到关键字的工具。通常用来对日志数据进行预处理。 Grok 9.5.0版本中存在缓冲区溢出漏洞，该漏洞源于产品的openhtj2k::T1OpenHTJ2K::decompress函数未对内存边界做有效限制。攻击者可通过该漏洞导致缓冲区溢出。

Severity

中

Patch Name

Grok缓冲区溢出漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： http://grok.zope.org/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-45935

Impacted products

Name
Grok Grok 9.5.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-45935",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-45935"
    }
  },
  "description": "Grok\u662f\u4e00\u79cd\u91c7\u7528\u7ec4\u5408\u591a\u4e2a\u9884\u5b9a\u4e49\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u7528\u6765\u5339\u914d\u5206\u5272\u6587\u672c\u5e76\u6620\u5c04\u5230\u5173\u952e\u5b57\u7684\u5de5\u5177\u3002\u901a\u5e38\u7528\u6765\u5bf9\u65e5\u5fd7\u6570\u636e\u8fdb\u884c\u9884\u5904\u7406\u3002\n\nGrok 9.5.0\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684openhtj2k::T1OpenHTJ2K::decompress\u51fd\u6570\u672a\u5bf9\u5185\u5b58\u8fb9\u754c\u505a\u6709\u6548\u9650\u5236\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://grok.zope.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-70072",
  "openTime": "2022-10-21",
  "patchDescription": "Grok\u662f\u4e00\u79cd\u91c7\u7528\u7ec4\u5408\u591a\u4e2a\u9884\u5b9a\u4e49\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u7528\u6765\u5339\u914d\u5206\u5272\u6587\u672c\u5e76\u6620\u5c04\u5230\u5173\u952e\u5b57\u7684\u5de5\u5177\u3002\u901a\u5e38\u7528\u6765\u5bf9\u65e5\u5fd7\u6570\u636e\u8fdb\u884c\u9884\u5904\u7406\u3002\r\n\r\nGrok 9.5.0\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684openhtj2k::T1OpenHTJ2K::decompress\u51fd\u6570\u672a\u5bf9\u5185\u5b58\u8fb9\u754c\u505a\u6709\u6548\u9650\u5236\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\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": "Grok\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Grok Grok 9.5.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-45935",
  "serverity": "\u4e2d",
  "submitTime": "2022-01-06",
  "title": "Grok\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-45935 (GCVE-0-2021-45935)

Vulnerability from cvelistv5 – Published: 2021-12-31 23:58 – Updated: 2024-08-04 04:54

Summary

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress (called from std::__1::__packaged_task_func<std::__1::__bind<grk::T1DecompressScheduler::deco and std::__1::packaged_task<int).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/google/oss-fuzz-vulns/blob/mai…	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://github.com/osamu620/OpenHTJ2K	x_refsource_MISC

Show details on NVD website

JSON

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{
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          "dateUpdated": "2024-08-04T04:54:31.058Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
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              "x_transferred"
            ],
            "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-1344.yaml"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/osamu620/OpenHTJ2K"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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      "descriptions": [
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          "lang": "en",
          "value": "Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress (called from std::__1::__packaged_task_func\u003cstd::__1::__bind\u003cgrk::T1DecompressScheduler::deco and std::__1::packaged_task\u003cint)."
        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "n/a",
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              "type": "text"
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      "providerMetadata": {
        "dateUpdated": "2021-12-31T23:58:13.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-1344.yaml"
        },
        {
          "tags": [
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          ],
          "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/osamu620/OpenHTJ2K"
        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2021-45935",
          "STATE": "PUBLIC"
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        "affects": {
          "vendor": {
            "vendor_data": [
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                      "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_version": "4.0",
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            }
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        "problemtype": {
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            },
            {
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              "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021"
            },
            {
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              "refsource": "MISC",
              "url": "https://github.com/osamu620/OpenHTJ2K"
            }
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  },
  "cveMetadata": {
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    "dateReserved": "2021-12-31T00:00:00.000Z",
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    "state": "PUBLISHED"
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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.

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.