Vulnerability · Published May 22, 2024 · Assigned by VulDB
CVE-2024-5193Ritlabs TinyWeb Server Request crlf injection
Medium 5.3
In plain English
A medium-severity injection in TinyWeb Server from Ritlabs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Official description
A security vulnerability has been detected in Ritlabs TinyWeb Server 1.94. This vulnerability affects unknown code of the component Request Handler. The manipulation with the input %0D%0A leads to crlf injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.99 is able to resolve this issue. The identifier of the patch is d49c3da6a97e950975b18626878f3ee1f082358e. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ritlabs | TinyWeb Server | 1.94 |
Weakness: CWE-93, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
References
- VDB-265830 | Ritlabs TinyWeb Server Request crlf injection vdb-entry, technical-description, mitigation, patch
- VDB-265830 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #333059 | Ritlabs TinyWeb Server 1.94 CRLF Injection third-party-advisory
- https://github.com/DMCERTCE/CRLF_Tiny exploit
- https://github.com/maximmasiutin/TinyWeb/commit/d49c3da6a97e950975b18626878f3ee1f082358e patch
- https://github.com/maximmasiutin/TinyWeb/releases/tag/v1.99 patch
- https://www.masiutin.net/tinyweb-cve-2024-5193.html mitigation