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CVE-2020-7066— get_headers() silently truncates after a null byte

CVSS 5.3 · Medium EPSS 1.53% · P81
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I. Basic Information for CVE-2020-7066

Vulnerability Information
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Vulnerability Title
get_headers() silently truncates after a null byte
Source: NVD (National Vulnerability Database)
Vulnerability Description
In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions about the target of the get_headers() and possibly send some information to a wrong server.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的空终结符
Source: NVD (National Vulnerability Database)
Vulnerability Title
PHP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHPGroup和开放源代码社区的共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发，支持多种数据库及操作系统。 PHP 7.2.29之前的7.2.x版本、7.3.16之前的7.3.x版本和7.4.4之前的7.4.x版本中的‘get_headers()’函数存在安全漏洞。攻击者可利用该漏洞造成信息泄露。
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

VendorProductAffected VersionsCPESubscribe
PHP GroupPHP 7.2.x below 7.2.29 -

II. Public POCs for CVE-2020-7066

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III. Intelligence Information for CVE-2020-7066

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Same Patch Batch · PHP Group · 2020-04-01 · 3 CVEs total

CVE-2020-70657.4 HIGHmb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full
CVE-2020-70646.5 MEDIUMUse-of-uninitialized-value in exif

IV. Related Vulnerabilities

Same product: PHP
Same vendor: PHP Group
Same weakness: CWE-170

V. Comments for CVE-2020-7066

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