cnvd - cnvd-2020-14084

CNVD-2020-14084

Vulnerability from cnvd - Published: 2020-02-27

Title

Netwide Assembler (NASM)堆缓冲区溢出漏洞

Description

Netwide Assembler (NASM)是一款可移植、模块化的80x86和x86-64汇编器。 Netwide Assembler (NASM) 2.15rc0中的set_text_free在从asm/preproc.c中的expand_one_smacro调用时存在堆缓冲区溢出漏洞。攻击者可通过特制.asm文件利用该漏洞导致拒绝服务。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.nasm.us/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-20352

Impacted products

Name
Nasm Netwide Assembler (NASM) 2.15rc0

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20352",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-20352"
    }
  },
  "description": "Netwide Assembler (NASM)\u662f\u4e00\u6b3e\u53ef\u79fb\u690d\u3001\u6a21\u5757\u5316\u768480x86\u548cx86-64\u6c47\u7f16\u5668\u3002\n\nNetwide Assembler (NASM) 2.15rc0\u4e2d\u7684set_text_free\u5728\u4eceasm/preproc.c\u4e2d\u7684expand_one_smacro\u8c03\u7528\u65f6\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236.asm\u6587\u4ef6\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://www.nasm.us/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-14084",
  "openTime": "2020-02-27",
  "products": {
    "product": "Nasm Netwide Assembler (NASM) 2.15rc0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-20352",
  "serverity": "\u9ad8",
  "submitTime": "2020-01-06",
  "title": "Netwide Assembler (NASM)\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-20352 (GCVE-0-2019-20352)

Vulnerability from cvelistv5 – Published: 2020-01-06 05:05 – Updated: 2024-08-05 02:39

Summary

In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://bugzilla.nasm.us/show_bug.cgi?id=3392636

x_refsource_MISC

Show details on NVD website

JSON

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              "x_transferred"
            ],
            "url": "https://bugzilla.nasm.us/show_bug.cgi?id=3392636"
          }
        ],
        "title": "CVE Program Container"
      }
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      ],
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          "ID": "CVE-2019-20352",
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  "cveMetadata": {
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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2020-14084

CVE-2019-20352 (GCVE-0-2019-20352)

Tags

Sightings

Nomenclature