OpenResty up to 1.25.3.1 Request lj_str_hash.c resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in OpenResty up to 1.25.3.1. The impacted element is an unknown function of the file lj_str_hash.c of the component Request Handler. Performing a manipulation results in resource consumption. This vulnerability is identified as CVE-2024-39702. There is not any exploit available.

Detailsinfo

A vulnerability was found in OpenResty up to 1.25.3.1. It has been classified as problematic. This affects an unknown functionality of the file lj_str_hash.c of the component Request Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:

In lj_str_hash.c in OpenResty 1.19.3.1 through 1.25.3.1, the string hashing function (used during string interning) allows HashDoS (Hash Denial of Service) attacks. An attacker could cause excessive resource usage during proxy operations via crafted requests, potentially leading to a denial of service with relatively few incoming requests. This vulnerability only exists in the OpenResty fork in the openresty/luajit2 GitHub repository. The LuaJIT/LuaJIT epository. is unaffected/

The advisory is shared at openresty.org. This vulnerability is uniquely identified as CVE-2024-39702 since 06/27/2024. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 239772 (TencentOS Server 4: openresty (TSSA-2024:1002)), which helps to determine the existence of the flaw in a target environment.

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 Tenable (239772). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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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Nessus ID: 239772
Nessus Name: TencentOS Server 4: openresty (TSSA-2024:1002)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/27/2024 🔍
07/23/2024 +26 days 🔍
07/23/2024 +0 days 🔍
06/20/2025 +332 days 🔍

Sourcesinfo

Advisory: openresty.org
Status: Confirmed

CVE: CVE-2024-39702 (🔍)
GCVE (CVE): GCVE-0-2024-39702
GCVE (VulDB): GCVE-100-272301

Entryinfo

Created: 07/23/2024 20:16
Updated: 06/20/2025 11:29
Changes: 07/23/2024 20:16 (53), 07/24/2024 11:33 (1), 11/27/2024 05:46 (12), 06/20/2025 11:29 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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