Home/CVE/A security vulnerability has been detected in Ritlabs TinyWeb Server 1.94. This vulnerability affects unknown code of th
CVE

CVE-2024-5193

A security vulnerability has been detected in Ritlabs TinyWeb Server 1.94. This vulnerability affects unknown code of th

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.

MEDIUM · CVSS 5.3 EPSS 0.00299
Schedule remediation
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')
▤

Affected Products & Versions

1
ritlabs tinyweball versions
⚠

Public Exploits & PoCs

1
pocgithub.com · CRLF_Tinygithub.com
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 May 2024 · 11:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/maximmasiutin/TinyWeb/commit/d49c3da6a97e950975b18626878f3ee1f082358e
https://github.com/maximmasiutin/TinyWeb/releases/tag/v1.99
https://vuldb.com/?ctiid.265830Permissions RequiredVDB Entry
https://vuldb.com/?id.265830Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.333059Third Party AdvisoryVDB Entry
https://www.masiutin.net/tinyweb-cve-2024-5193.html
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