Vulnerability-Lookup

CNVD-2020-74856

Vulnerability from cnvd - Published: 2020-12-29

Title

GNU Binutils代码问题漏洞

Description

GNU Binutils（GNU Binary Utilities或binutils）是GNU社区的开发的一组编程语言工具程序。该程序主要用于处理多种格式的目标文件，并提供有连接器、汇编器和其他用于目标文件和档案的工具。 GNU Binutils libbfd存在代码问题漏洞，该漏洞源于在GNU Binutils 2.34中，在_bfd_elf_get_symbol_version_string中，如nm-new中所示，可以通过一个制作好的文件导致拒绝服务。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

GNU Binutils代码问题漏洞的补丁

Patch Description

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://sourceware.org/bugzilla/show_bug.cgi?id=25842

Reference

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=8d55d10ac0d112c586eaceb92e75bd9b80aadcc4

Impacted products

Name
Gnu Binutils libbfd null

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-16599",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-16599"
    }
  },
  "description": "GNU Binutils\uff08GNU Binary Utilities\u6216binutils\uff09\u662fGNU\u793e\u533a\u7684\u5f00\u53d1\u7684\u4e00\u7ec4\u7f16\u7a0b\u8bed\u8a00\u5de5\u5177\u7a0b\u5e8f\u3002\u8be5\u7a0b\u5e8f\u4e3b\u8981\u7528\u4e8e\u5904\u7406\u591a\u79cd\u683c\u5f0f\u7684\u76ee\u6807\u6587\u4ef6\uff0c\u5e76\u63d0\u4f9b\u6709\u8fde\u63a5\u5668\u3001\u6c47\u7f16\u5668\u548c\u5176\u4ed6\u7528\u4e8e\u76ee\u6807\u6587\u4ef6\u548c\u6863\u6848\u7684\u5de5\u5177\u3002\n\nGNU Binutils libbfd\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728GNU Binutils 2.34\u4e2d\uff0c\u5728_bfd_elf_get_symbol_version_string\u4e2d\uff0c\u5982nm-new\u4e2d\u6240\u793a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u5236\u4f5c\u597d\u7684\u6587\u4ef6\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://sourceware.org/bugzilla/show_bug.cgi?id=25842",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-74856",
  "openTime": "2020-12-29",
  "patchDescription": "GNU Binutils\uff08GNU Binary Utilities\u6216binutils\uff09\u662fGNU\u793e\u533a\u7684\u5f00\u53d1\u7684\u4e00\u7ec4\u7f16\u7a0b\u8bed\u8a00\u5de5\u5177\u7a0b\u5e8f\u3002\u8be5\u7a0b\u5e8f\u4e3b\u8981\u7528\u4e8e\u5904\u7406\u591a\u79cd\u683c\u5f0f\u7684\u76ee\u6807\u6587\u4ef6\uff0c\u5e76\u63d0\u4f9b\u6709\u8fde\u63a5\u5668\u3001\u6c47\u7f16\u5668\u548c\u5176\u4ed6\u7528\u4e8e\u76ee\u6807\u6587\u4ef6\u548c\u6863\u6848\u7684\u5de5\u5177\u3002\r\n\r\nGNU Binutils libbfd\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728GNU Binutils 2.34\u4e2d\uff0c\u5728_bfd_elf_get_symbol_version_string\u4e2d\uff0c\u5982nm-new\u4e2d\u6240\u793a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u5236\u4f5c\u597d\u7684\u6587\u4ef6\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "GNU Binutils\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gnu Binutils libbfd null"
  },
  "referenceLink": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=8d55d10ac0d112c586eaceb92e75bd9b80aadcc4",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-23",
  "title": "GNU Binutils\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-16599 (GCVE-0-2020-16599)

Vulnerability from cvelistv5 – Published: 2020-12-09 21:06 – Updated: 2024-08-04 13:45

Summary

A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35, in _bfd_elf_get_symbol_version_string, as demonstrated in nm-new, that can cause a denial of service via a crafted file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=25842	x_refsource_MISC
https://sourceware.org/git/gitweb.cgi?p=binutils-…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2021012…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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          },
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            ],
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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.
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.

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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CNVD-2020-74856

CVE-2020-16599 (GCVE-0-2020-16599)

Tags

Sightings

Nomenclature

Related by attack behaviour