Vulnerability-Lookup

CNVD-2020-12716

Vulnerability from cnvd - Published: 2020-02-20

Title

Yabasic缓冲区溢出漏洞

Description

Yabasic是一款用于Unix和Windows的简单的Basic解释器。 Yabasic 2.86.1中的flex.c中的yylex()函数存在缓冲区溢出漏洞，攻击者可通过特制BASIC源文件利用该漏洞导致堆缓冲区溢出。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： http://www.yabasic.de/whatsnew.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-19720

Impacted products

Name
Yabasic Yabasic 2.86.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-19720",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-19720"
    }
  },
  "description": "Yabasic\u662f\u4e00\u6b3e\u7528\u4e8eUnix\u548cWindows\u7684\u7b80\u5355\u7684Basic\u89e3\u91ca\u5668\u3002\n\nYabasic 2.86.1\u4e2d\u7684flex.c\u4e2d\u7684yylex()\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236BASIC\u6e90\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\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\nhttp://www.yabasic.de/whatsnew.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-12716",
  "openTime": "2020-02-20",
  "products": {
    "product": "Yabasic Yabasic 2.86.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-19720",
  "serverity": "\u4e2d",
  "submitTime": "2019-12-11",
  "title": "Yabasic\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-19720 (GCVE-0-2019-19720)

Vulnerability from cvelistv5 – Published: 2019-12-11 03:22 – Updated: 2024-08-05 02:25

Summary

Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

2 references

URL	Tags
https://github.com/marcIhm/yabasic/issues/36	x_refsource_MISC
http://www.yabasic.de/whatsnew.html	x_refsource_MISC

Show details on NVD website

JSON

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              "x_transferred"
            ],
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          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.yabasic.de/whatsnew.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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      },
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          ],
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        },
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          "tags": [
            "x_refsource_MISC"
          ],
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        }
      ],
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          "ID": "CVE-2019-19720",
          "STATE": "PUBLIC"
        },
        "affects": {
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            },
            {
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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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.

Action not permitted

CNVD-2020-12716

CVE-2019-19720 (GCVE-0-2019-19720)

Tags

Sightings

Nomenclature