Vulnerability-Lookup

CNVD-2020-04056

Vulnerability from cnvd - Published: 2020-02-06

Title

stb断言失败漏洞

Description

stb是由一款由单文件组成的C/C++库。 stb 1.22及更早版本中的stb_truetype.h中的stbtt__cff_get_index存在断言失败漏洞。攻击者可利用该漏洞导致拒绝服务。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/nothings/stb

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-6623

Impacted products

Name
stb stb <=1.22

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-6623",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-6623"
    }
  },
  "description": "stb\u662f\u7531\u4e00\u6b3e\u7531\u5355\u6587\u4ef6\u7ec4\u6210\u7684C/C++\u5e93\u3002\n\nstb 1.22\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684stb_truetype.h\u4e2d\u7684stbtt__cff_get_index\u5b58\u5728\u65ad\u8a00\u5931\u8d25\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/nothings/stb",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-04056",
  "openTime": "2020-02-06",
  "products": {
    "product": "stb stb \u003c=1.22"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-6623",
  "serverity": "\u4e2d",
  "submitTime": "2020-01-09",
  "title": "stb\u65ad\u8a00\u5931\u8d25\u6f0f\u6d1e"
}

CVE-2020-6623 (GCVE-0-2020-6623)

Vulnerability from cvelistv5 – Published: 2020-01-08 22:51 – Updated: 2024-08-04 09:11

Summary

stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/nothings/stb/issues/865	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T09:11:04.570Z",
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        },
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          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nothings/stb/issues/865"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        }
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      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nothings/stb/issues/865"
        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2020-6623",
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  "cveMetadata": {
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    "datePublished": "2020-01-08T22:51:00.000Z",
    "dateReserved": "2020-01-08T00:00:00.000Z",
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  },
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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.
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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.
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Action not permitted

CNVD-2020-04056

CVE-2020-6623 (GCVE-0-2020-6623)

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Sightings

Nomenclature

Related by attack behaviour