Vulnerability-Lookup

CNVD-2022-25194

Vulnerability from cnvd - Published: 2022-03-31

Title

Radare2资源管理错误漏洞（CNVD-2022-25194）

Description

radare2是一套用于处理二进制文件的库和工具。 radare2存在资源管理错误漏洞，攻击者可利用该漏洞通过MIPS ELF64二进制文件触发Radare2的过载，以触发拒绝服务。

Severity

中

Patch Name

Radare2资源管理错误漏洞（CNVD-2022-25194）的补丁

Patch Description

radare2是一套用于处理二进制文件的库和工具。 radare2存在资源管理错误漏洞，攻击者可利用该漏洞通过MIPS ELF64二进制文件触发Radare2的过载，以触发拒绝服务。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，补丁获取链接： https://vigilance.fr/vulnerability/Radare2-overload-via-MIPS-ELF64-Binary-37618

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-4021

Impacted products

Name
Radare radare2 <=5.5.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-4021"
    }
  },
  "description": "radare2\u662f\u4e00\u5957\u7528\u4e8e\u5904\u7406\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u5e93\u548c\u5de5\u5177\u3002\n\nradare2\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7MIPS ELF64\u4e8c\u8fdb\u5236\u6587\u4ef6\u89e6\u53d1Radare2\u7684\u8fc7\u8f7d\uff0c\u4ee5\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\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://vigilance.fr/vulnerability/Radare2-overload-via-MIPS-ELF64-Binary-37618",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-25194",
  "openTime": "2022-03-31",
  "patchDescription": "radare2\u662f\u4e00\u5957\u7528\u4e8e\u5904\u7406\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u5e93\u548c\u5de5\u5177\u3002\r\n\r\nradare2\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7MIPS ELF64\u4e8c\u8fdb\u5236\u6587\u4ef6\u89e6\u53d1Radare2\u7684\u8fc7\u8f7d\uff0c\u4ee5\u89e6\u53d1\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": "Radare2\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2022-25194\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Radare radare2 \u003c=5.5.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-4021",
  "serverity": "\u4e2d",
  "submitTime": "2022-02-25",
  "title": "Radare2\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2022-25194\uff09"
}

CVE-2021-4021 (GCVE-0-2021-4021)

Vulnerability from cvelistv5 – Published: 2022-02-24 18:50 – Updated: 2024-08-03 17:16

Summary

A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.

Severity

No CVSS data available.

CWE

CWE-400

Assigner

fedora redhat root

References

1 reference

URL	Tags
https://github.com/radareorg/radare2/issues/19436	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	radare2	Affected: radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:16:03.457Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/radareorg/radare2/issues/19436"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "radare2",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-02-24T18:50:10.000Z",
        "orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
        "shortName": "fedora"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/radareorg/radare2/issues/19436"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "patrick@puiterwijk.org",
          "ID": "CVE-2021-4021",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "radare2",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
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        "data_type": "CVE",
        "data_version": "4.0",
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            }
          ]
        },
        "problemtype": {
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              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-400"
                }
              ]
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        },
        "references": {
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            {
              "name": "https://github.com/radareorg/radare2/issues/19436",
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            }
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  },
  "cveMetadata": {
    "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
    "assignerShortName": "fedora",
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    "datePublished": "2022-02-24T18:50:10.000Z",
    "dateReserved": "2021-11-25T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:16:03.457Z",
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  },
  "dataType": "CVE_RECORD",
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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.