CVE-2020-7069— Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV
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I. Basic Information for CVE-2020-7069
Vulnerability Information
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Vulnerability Title
Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV
Source: NVD (National Vulnerability Database)
Vulnerability Description
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
PHP 加密问题漏洞
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 7.2.0版本、7.3.0版本和7.4.0版本中存在加密问题漏洞，该漏洞源于网络系统或产品未正确使用相关密码算法，导致内容未正确加密、弱加密、明文存储敏感信息等。
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
II. Public POCs for CVE-2020-7069
| # | POC Description | Source Link | Shenlong Link |
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- https://www.oracle.com/security-alerts/cpuApr2021.htmlx_refsource_MISC
- https://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
- https://bugs.php.net/bug.php?id=79601x_refsource_MISC
- https://www.tenable.com/security/tns-2021-14x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00067.htmlvendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00045.htmlvendor-advisoryx_refsource_SUSE
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2J3ZZDHCSX65T5QWV4AHBN7MOJXBEKG/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EVDN7D3IB4EAI4D3ZOM2OJKQ5SD7K4E/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-7069
IV. Related Vulnerabilities
V. Comments for CVE-2020-7069
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