Tipask - Arbitrary File Download (CVE-2021-41714)
7293Exploiting IPs reported
In Tipask < 3.5.9, path parameters entered by the user are not validated when downloading attachments, a registered user can download arbitrary files on the Tipask server such as .env, /etc/passwd, laravel.log, causing infomation leakage.
CrowdSec analysis
CVE-2021-41714 is a vulnerability in Tipask that allow any registered user to download arbitrary files from the server due to a missing path validation when downloading attachment. This flaw could be exploited to steal files until patched in versions 3.5.9.
CrowdSec has been tracking this vulnerability and its exploits since 22nd of December 2023.
CrowdSec network data shows that most actors exploiting CVE-2021-41714 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2021-41714. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.
This vulnerability is exploited by making crafted requests to the /attach/download/ endpoint, such as /attach/download/..-..-..-..-..-etc-passwd.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
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