Vulnerability-Lookup

CNVD-2021-42988

Vulnerability from cnvd - Published: 2021-06-18

Title

JerryScript释放后重用漏洞（CNVD-2021-42988）

Description

JerryScript是一款轻量级的JavaScript引擎，旨在运行在微控制器等非常受限的设备上。 JerryScript 2.2.0版中的ecma-helpers-string.c:772中的ecma_ref_ecma_string存在释放后重用漏洞。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

JerryScript释放后重用漏洞（CNVD-2021-42988）的补丁

Patch Description

JerryScript是一款轻量级的JavaScript引擎，旨在运行在微控制器等非常受限的设备上。 JerryScript 2.2.0版中的ecma-helpers-string.c:772中的ecma_ref_ecma_string存在释放后重用漏洞。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://github.com/jerryscript-project/jerryscript/issues/3748

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-23302

Impacted products

Name
JerryScript JerryScript 2.2.0

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-23302"
    }
  },
  "description": "JerryScript\u662f\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u7684JavaScript\u5f15\u64ce\uff0c\u65e8\u5728\u8fd0\u884c\u5728\u5fae\u63a7\u5236\u5668\u7b49\u975e\u5e38\u53d7\u9650\u7684\u8bbe\u5907\u4e0a\u3002\n\nJerryScript 2.2.0\u7248\u4e2d\u7684ecma-helpers-string.c:772\u4e2d\u7684ecma_ref_ecma_string\u5b58\u5728\u91ca\u653e\u540e\u91cd\u7528\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://github.com/jerryscript-project/jerryscript/issues/3748",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-42988",
  "openTime": "2021-06-18",
  "patchDescription": "JerryScript\u662f\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u7684JavaScript\u5f15\u64ce\uff0c\u65e8\u5728\u8fd0\u884c\u5728\u5fae\u63a7\u5236\u5668\u7b49\u975e\u5e38\u53d7\u9650\u7684\u8bbe\u5907\u4e0a\u3002\r\n\r\nJerryScript 2.2.0\u7248\u4e2d\u7684ecma-helpers-string.c:772\u4e2d\u7684ecma_ref_ecma_string\u5b58\u5728\u91ca\u653e\u540e\u91cd\u7528\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "JerryScript\u91ca\u653e\u540e\u91cd\u7528\u6f0f\u6d1e\uff08CNVD-2021-42988\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "JerryScript JerryScript 2.2.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-23302",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-12",
  "title": "JerryScript\u91ca\u653e\u540e\u91cd\u7528\u6f0f\u6d1e\uff08CNVD-2021-42988\uff09"
}

CVE-2020-23302 (GCVE-0-2020-23302)

Vulnerability from cvelistv5 – Published: 2021-06-10 22:12 – Updated: 2024-08-04 14:58

Summary

There is a heap-use-after-free at ecma-helpers-string.c:772 in ecma_ref_ecma_string in JerryScript 2.2.0

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/jerryscript-project/jerryscrip…	x_refsource_CONFIRM

Date Public

2020-05-16 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T14:58:14.647Z",
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            ],
            "url": "https://github.com/jerryscript-project/jerryscript/issues/3748"
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      ],
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        "dateUpdated": "2021-06-10T22:12:36.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
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          "url": "https://github.com/jerryscript-project/jerryscript/issues/3748"
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                      "product_name": "n/a",
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                          {
                            "version_value": "n/a"
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  "cveMetadata": {
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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.