Vulnerability · Published Nov 1, 2023 · Assigned by STAR_Labs
CVE-2023-1718Bitrix24 Denial-of-Service (DoS) via Improper File Stream Access
High 7.5
In plain English
A high-severity infinite loop in Bitrix24 from Bitrix24. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 28.7% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)28.7%top 1.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC
Official 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 (as reported)
Weakness: CWE-835 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://starlabs.sg/advisories/23/23-1718/ third-party-advisory