CVE-2020-8226: phpBB Server-Side Request Forgery Vulnerability
Summary
CVE-2020-8226: phpBB Server-Side Request Forgery Vulnerability. Affects phpbb/phpbb across 2 version ranges.
>= 3.2.0, < 3.2.10
>= 3.3.0, < 3.3.1
Fixed in 3.2.10 or 3.3.1, depending on the release line you run. How to fix ↓
Also tracked for
- phpbb · Bitnami
The same CVE-2020-8226 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
phpBB is a popular open-source forum software written in PHP. It provides a platform for online discussion and community building. The vulnerability identified as CVE-2020-8226 affects phpBB versions prior to v3.2.10 and v3.3.1. This vulnerability allows an attacker to exploit a remote image dimensions check and perform Server-Side Request Forgery (SSRF) attacks.
Vulnerability Detail
The vulnerability in phpBB arises from the remote image dimensions check feature, which can be abused to initiate SSRF attacks. By manipulating the image dimensions check, an attacker can trick the server into making requests to arbitrary URLs, potentially leading to unauthorized access to internal resources or sensitive information. This vulnerability has a CVSS score of 5.8, indicating a moderate severity level.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
>= 3.2.0, < 3.2.103.2.10composer require phpbb/phpbb:3.2.10 -
>= 3.3.0, < 3.3.13.3.1composer require phpbb/phpbb:3.3.1
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Workaround
There is no specific workaround available for this vulnerability. It is essential to apply the recommended fix by upgrading to the patched versions of phpBB.
Conclusion
The phpBB Server-Side Request Forgery (SSRF) vulnerability (CVE-2020-8226) allows an attacker to exploit the remote image dimensions check feature and perform unauthorized requests. To mitigate this vulnerability, it is crucial to upgrade to phpBB v3.2.10 or v3.3.1. For further assistance or support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for phpbb/phpbb →
FAQ
phpBB is an open-source forum software written in PHP, providing a platform for online discussion and community building.
Server-Side Request Forgery (SSRF) is a vulnerability that allows an attacker to make requests from the server to arbitrary URLs, potentially accessing internal resources or sensitive information.
This vulnerability can be exploited to perform SSRF attacks, potentially leading to unauthorized access to internal resources or sensitive information.
To fix this vulnerability, upgrade to phpBB v3.2.10 or v3.3.1, depending on the installed version.
No, there is no specific workaround available. It is recommended to apply the fix by upgrading to the patched versions of phpBB.
References
Related vulnerabilities
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