VDB-251687 · CVE-2024-23771 · GCVE-0-2024-23771

darkhttpd up to 1.14 strcmp improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in darkhttpd up to 1.14. The impacted element is the function strcmp. The manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2024-23771. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in darkhttpd up to 1.14 (Web Server). This issue affects the function strcmp. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

darkhttpd before 1.15 uses strcmp (which is not constant time) to verify authentication, which makes it easier for remote attackers to bypass authentication via a timing side channel.

The weakness was disclosed 01/22/2024 as f477619d49f3c4de9ad59bd194265a48ddc03f04. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-23771 since 01/22/2024. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.15 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch f477619d49f3c4de9ad59bd194265a48ddc03f04 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Web Server

Name

darkhttpd

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: darkhttpd 1.15
Patch: f477619d49f3c4de9ad59bd194265a48ddc03f04

Timelineinfo

01/22/2024 🔍
01/22/2024 +0 days 🔍
01/22/2024 +0 days 🔍
05/31/2025 +495 days 🔍

Sourcesinfo

Advisory: f477619d49f3c4de9ad59bd194265a48ddc03f04
Status: Confirmed

CVE: CVE-2024-23771 (🔍)
GCVE (CVE): GCVE-0-2024-23771
GCVE (VulDB): GCVE-100-251687

Entryinfo

Created: 01/22/2024 07:03
Updated: 05/31/2025 03:52
Changes: 01/22/2024 07:03 (44), 02/16/2024 08:10 (11), 05/31/2025 03:52 (16)
Complete: 🔍
Cache ID: 216::103