Description
Improper file stream access in /desktop_app/file.ajax.php?action=uploadfile in Bitrix24 22.0.300 allows unauthenticated remote attackers to cause denial-of-service via a crafted "tmp_url".
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Bitrix24 | Bitrix24 | ≤ 22.0.300 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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jhonnybonny/Bitrix24DoS ★ 4 · Nov 8, 2023
This Python script is designed to exploit a security vulnerability in Bitrix24, leading to a Denial of Service (DoS) attack. The vulnerability, identified as CVE-2023-1718, allows an attacker to disr…
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://starlabs.sg/advisories/23/23-1718/ third-party-advisory