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CVE-2019-19720

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Yabasic是一款开源的BASIC语言解释器。 Yabasic 2.86.1版本中的flex.c文件的‘yylex()’函数存在缓冲区错误漏洞，该漏洞源于程序没有检查边界。远程攻击者可借助特制BASIC源文件利用该漏洞在系统上执行任意代码，或导致应用程序崩溃。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.25% · P68

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2019-19720

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Yabasic 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yabasic是一款开源的BASIC语言解释器。 Yabasic 2.86.1版本中的flex.c文件的‘yylex()’函数存在缓冲区错误漏洞，该漏洞源于程序没有检查边界。远程攻击者可借助特制BASIC源文件利用该漏洞在系统上执行任意代码，或导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2019-19720

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III. Intelligence Information for CVE-2019-19720

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Other References for CVE-2019-19720 (1)

Same Patch Batch · n/a · 2019-12-11 · 46 CVEs total

CVE-2019-19583 Xen 输入验证错误漏洞
CVE-2019-18377 Symantec Messaging Gateway 安全漏洞
CVE-2013-7370 Sencha Labs node-connect 跨站脚本漏洞
CVE-2019-19708 MediaWiki VisualEditor 跨站脚本漏洞
CVE-2019-19709 MediaWiki 输入验证错误漏洞
CVE-2019-19707 Moxa EDS-G508E、EDS-G512E和EDS-G516E 安全漏洞
CVE-2019-18935 Progress Telerik UI for ASP.NET AJAX 代码问题漏洞
CVE-2019-19725 sysstat 资源管理错误漏洞
CVE-2019-19719 Tableau Software Server 跨站脚本漏洞
CVE-2019-18379 Symantec Messaging Gateway 代码问题漏洞
CVE-2019-18378 Symantec Messaging Gateway 跨站脚本漏洞
CVE-2019-19582 Xen 安全漏洞
CVE-2019-19581 Xen 缓冲区错误漏洞
CVE-2019-19580 Xen 竞争条件问题漏洞
CVE-2019-19578 Xen 输入验证错误漏洞
CVE-2019-19577 Xen 输入验证错误漏洞
CVE-2019-14317 wolfSSL 安全漏洞
CVE-2019-19650 ZOHO ManageEngine Applications Manager SQL注入漏洞
CVE-2013-4968 Puppet 跨站脚本漏洞
CVE-2019-19649 ZOHO ManageEngine Applications Manager SQL注入漏洞

Showing top 20 of 46 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

V. Comments for CVE-2019-19720

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