Vulnerability-Lookup

CNVD-2022-77876

Vulnerability from cnvd - Published: 2022-11-07

Title

Radare2拒绝服务漏洞（CNVD-2022-77876）

Description

Radare2是一套用于处理二进制文件的库和工具。 Radare2 5.7.0之前版本存在拒绝服务漏洞，该漏洞源于libr/bin/format/mach0/mach0.c中的空指针取消引用。攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

Radare2拒绝服务漏洞（CNVD-2022-77876）的补丁

Patch Description

Radare2是一套用于处理二进制文件的库和工具。 Radare2 5.7.0之前版本存在拒绝服务漏洞，该漏洞源于libr/bin/format/mach0/mach0.c中的空指针取消引用。攻击者可利用该漏洞导致拒绝服务。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/radareorg/radare2/commit/a5aafb99c3965259c84ddcf45a91144bf7eb4cf1

Reference

https://huntr.dev/bounties/c07e4918-cf86-4d2e-8969-5fb63575b449/

Impacted products

Name
Radare Radare2 <5.7.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-1649",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-1649"
    }
  },
  "description": "Radare2\u662f\u4e00\u5957\u7528\u4e8e\u5904\u7406\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u5e93\u548c\u5de5\u5177\u3002\n\nRadare2 5.7.0\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibr/bin/format/mach0/mach0.c\u4e2d\u7684\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/radareorg/radare2/commit/a5aafb99c3965259c84ddcf45a91144bf7eb4cf1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-77876",
  "openTime": "2022-11-07",
  "patchDescription": "Radare2\u662f\u4e00\u5957\u7528\u4e8e\u5904\u7406\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u5e93\u548c\u5de5\u5177\u3002\r\n\r\nRadare2 5.7.0\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibr/bin/format/mach0/mach0.c\u4e2d\u7684\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u3002\u653b\u51fb\u8005\u53ef\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": "Radare2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-77876\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Radare Radare2 \u003c5.7.0"
  },
  "referenceLink": "https://huntr.dev/bounties/c07e4918-cf86-4d2e-8969-5fb63575b449/",
  "serverity": "\u4e2d",
  "submitTime": "2022-05-12",
  "title": "Radare2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-77876\uff09"
}

CVE-2022-1649 (GCVE-0-2022-1649)

Vulnerability from cvelistv5 – Published: 2022-05-10 09:55 – Updated: 2024-08-03 00:10

Title

Null pointer dereference in libr/bin/format/mach0/mach0.c in radareorg/radare2 in radareorg/radare2

Summary

Null pointer dereference in libr/bin/format/mach0/mach0.c in radareorg/radare2 in GitHub repository radareorg/radare2 prior to 5.7.0. It is likely to be exploitable. For more general description of heap buffer overflow, see [CWE](https://cwe.mitre.org/data/definitions/476.html).

Severity

7.6 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

CWE

CWE-476 - NULL Pointer Dereference

Assigner

@huntrdev

References

2 references

URL	Tags
https://huntr.dev/bounties/c07e4918-cf86-4d2e-896…	x_refsource_CONFIRM
https://github.com/radareorg/radare2/commit/a5aaf…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
radareorg	radareorg/radare2	Affected: unspecified , < 5.7.0 (custom)

Show details on NVD website

JSON

To clipboard

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            "url": "https://huntr.dev/bounties/c07e4918-cf86-4d2e-8969-5fb63575b449"
          },
          {
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            ],
            "url": "https://github.com/radareorg/radare2/commit/a5aafb99c3965259c84ddcf45a91144bf7eb4cf1"
          }
        ],
        "title": "CVE Program Container"
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      "x_legacyV4Record": {
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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.