starnight MicroHttpServer up to a8ab029 URI lib/server.c _ParseHeader buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in starnight MicroHttpServer up to a8ab029. Affected is the function _ParseHeader in the library lib/server.c of the component URI Handler. Such manipulation leads to buffer overflow. This vulnerability is traded as CVE-2023-51771. There is no exploit available.

Detailsinfo

A vulnerability was found in starnight MicroHttpServer up to a8ab029. It has been rated as critical. Affected by this issue is the function _ParseHeader in the library lib/server.c of the component URI Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In MicroHttpServer (aka Micro HTTP Server) through a8ab029, _ParseHeader in lib/server.c allows a one-byte recv buffer overflow via a long URI.

The weakness was shared 12/25/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-51771 since 12/25/2023. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-56459). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2023 🔍
12/25/2023 +0 days 🔍
12/25/2023 +0 days 🔍
03/08/2026 +804 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2023-51771 (🔍)
GCVE (CVE): GCVE-0-2023-51771
GCVE (VulDB): GCVE-100-248984
EUVD: 🔍

Entryinfo

Created: 12/25/2023 08:59
Updated: 03/08/2026 12:44
Changes: 12/25/2023 08:59 (40), 01/19/2024 08:11 (11), 03/08/2026 12:44 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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