CVE-2024-25117— php-svg-lib lacks path validation on font through SVG inline styles
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I. Basic Information for CVE-2024-25117
Vulnerability Information
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Vulnerability Title
php-svg-lib lacks path validation on font through SVG inline styles
Source: NVD (National Vulnerability Database)
Vulnerability Description
php-svg-lib is a scalable vector graphics (SVG) file parsing/rendering library. Prior to version 0.5.2, php-svg-lib fails to validate that font-family doesn't contain a PHAR url, which might leads to RCE on PHP < 8.0, and doesn't validate if external references are allowed. This might leads to bypass of restrictions or RCE on projects that are using it, if they do not strictly revalidate the fontName that is passed by php-svg-lib. The `Style::fromAttributes(`), or the `Style::parseCssStyle()` should check the content of the `font-family` and prevents it to use a PHAR url, to avoid passing an invalid and dangerous `fontName` value to other libraries. The same check as done in the `Style::fromStyleSheets` might be reused. Libraries using this library as a dependency might be vulnerable to some bypass of restrictions, or even remote code execution, if they do not double check the value of the `fontName` that is passed by php-svg-lib. Version 0.5.2 contains a fix for this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
文件名或路径的外部可控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
php-svg-lib安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
php-svg-lib是dompdf开源的一个 SVG 文件解析/渲染库。 php-svg-lib 0.5.2之前版本存在安全漏洞，该漏洞源于不会验证是否允许外部引用，可能会导致绕过限制或远程代码执行(RCE)。
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 |
|---|---|---|---|---|
| dompdf | php-svg-lib | < 0.5.2 | - |
II. Public POCs for CVE-2024-25117
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|---|
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IV. Related Vulnerabilities
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