cnvd - cnvd-2020-02979

cnvd-2020-02979

Vulnerability from cnvd

Title: Netwide Assembler缓冲区溢出漏洞（CNVD-2020-02979）

Description:

Netwide Assembler（NASM）是一个基于Linux的汇编器。该产品能够创建二进制文件并编写引导加载程序。

Netwide Assembler (NASM) 2.14.02版本中的asm/eval.c文件的expr#函数存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity: 中

Formal description:

目前厂商尚未提供相关漏洞补丁链接，请关注厂商主页随时更新： https://www.nasm.us/

Reference: https://bugzilla.nasm.us/show_bug.cgi?id=3392548#c4 https://bugzilla.nasm.us/show_bug.cgi?id=3392638 https://nvd.nist.gov/vuln/detail/CVE-2019-20334

Impacted products

Name
Netwide Assembler Netwide Assembler 2.14.02

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2019-20334"
    }
  },
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-02979",
  "openTime": "2020-01-20",
  "products": {
    "product": "Netwide Assembler Netwide Assembler 2.14.02"
  },
  "referenceLink": "https://bugzilla.nasm.us/show_bug.cgi?id=3392548#c4\r\nhttps://bugzilla.nasm.us/show_bug.cgi?id=3392638\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-20334",
  "serverity": "\u4e2d",
  "submitTime": "2020-01-07",
  "title": "Netwide Assembler\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-02979\uff09"
}

CVE-2019-20334 (GCVE-0-2019-20334)

Vulnerability from cvelistv5

Published

2020-01-04 06:43

Modified

2024-08-05 02:39

Severity ?

CWE

Summary

In Netwide Assembler (NASM) 2.14.02, stack consumption occurs in expr# functions in asm/eval.c. This potentially affects the relationships among expr0, expr1, expr2, expr3, expr4, expr5, and expr6 (and stdscan in asm/stdscan.c). This is similar to CVE-2019-6290 and CVE-2019-6291.

References

▼	URL	Tags
	https://bugzilla.nasm.us/show_bug.cgi?id=3392638	x_refsource_MISC
	https://bugzilla.nasm.us/show_bug.cgi?id=3392548#c4	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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