CVE-2021-23803— Access Control Bypass
Quick assessment
Affected
n/a latte/latte
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.
Latte是Nette基金会的一个 Php 的模板引擎。 latte 2.10.6之前版本存在安全漏洞，该漏洞源于软件当中的allowFunctions存在方法可以绕过，这会影响应用程序的安全性。当模板被设置为允许不允许使用某些函数时，在函数之后添加控制字符(x00-x08)将绕过这些限制。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23803
Vulnerability Information
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Vulnerability Title
Access Control Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
latte 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Latte是Nette基金会的一个 Php 的模板引擎。 latte 2.10.6之前版本存在安全漏洞，该漏洞源于软件当中的allowFunctions存在方法可以绕过，这会影响应用程序的安全性。当模板被设置为允许不允许使用某些函数时，在函数之后添加控制字符(x00-x08)将绕过这些限制。
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 |
|---|---|---|---|---|
| - | latte/latte | unspecified ~ 2.10.6 | - |
|
II. Public POCs for CVE-2021-23803
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-23803 (1)
Vendor Advisories for CVE-2021-23803 (1)
-
https://snyk.io/vuln/SNYK-PHP-LATTELATTE-1932226 x_refsource_MISC
Other References for CVE-2021-23803 (1)
-
https://github.com/nette/latte/issues/279 x_refsource_MISC
Same Patch Batch · n/a · 2021-12-17 · 51 CVEs total
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| CVE-2021-4010 | xorg-x11-server 缓冲区错误漏洞 | |
| CVE-2021-4009 | xorg-x11-server 缓冲区错误漏洞 | |
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| CVE-2021-32499 | SICK SOPAS ET 注入漏洞 | |
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| CVE-2021-45042 | Hashicorp HashiCorp Vault 安全漏洞 | |
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| CVE-2021-0893 | MediaTek Apusys 资源管理错误漏洞 | |
| CVE-2021-0679 | MediaTek Apusys缓冲区错误漏洞 | |
| CVE-2021-0894 | MediaTek Apusys缓冲区错误漏洞 | |
| CVE-2021-0895 | MediaTek Apusys缓冲区错误漏洞 | |
| CVE-2021-0897 | MediaTek Apusys缓冲区错误漏洞 |
Showing top 20 of 51 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-23803
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