CVE-2018-20783
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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中存在缓冲区错误漏洞。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。以下产品及版本受到影响：PHP 5.6.39之前版本，7.0.33之前的7.x版本，7.1.25之前的7.1.
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-20783
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In PHP before 5.6.39, 7.x before 7.0.33, 7.1.x before 7.1.25, and 7.2.x before 7.2.13, a buffer over-read in PHAR reading functions may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse a .phar file. This is related to phar_parse_pharfile in ext/phar/phar.c.
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
PHP 缓冲区错误漏洞
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中存在缓冲区错误漏洞。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。以下产品及版本受到影响：PHP 5.6.39之前版本，7.0.33之前的7.x版本，7.1.25之前的7.1.
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-2018-20783
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2018-20783 (3)
Mailing List Discussions for CVE-2018-20783 (3)
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http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html vendor-advisory x_refsource_SUSE
Other References for CVE-2018-20783 (3)
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http://php.net/ChangeLog-5.php x_refsource_MISC
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https://bugs.php.net/bug.php?id=77143 x_refsource_MISC
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http://php.net/ChangeLog-7.php x_refsource_MISC
Same Patch Batch · n/a · 2019-02-21 · 13 CVEs total
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| CVE-2019-5727 | Splunk 跨站脚本漏洞 | |
| CVE-2013-7469 | Seafile 安全漏洞 | |
| CVE-2018-20146 | Liquidware Labs Liquidware ProfileUnity 访问控制错误漏洞 | |
| CVE-2019-8979 | Koseven和Kohana SQL注入漏洞 | |
| CVE-2019-8980 | Linux kernel 资源管理错误漏洞 | |
| CVE-2018-20122 | FASTGate Fastweb 命令注入漏洞 | |
| CVE-2019-8982 | WaveMaker Studio 代码问题漏洞 | |
| CVE-2019-8983 | MDaemon Webmail 跨站脚本漏洞 | |
| CVE-2019-8984 | MDaemon Webmail 跨站脚本漏洞 | |
| CVE-2019-8985 | Netis WF2880和WF2411 缓冲区错误漏洞 | |
| CVE-2019-8955 | The Onion Router 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2018-20783
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