CVE-2024-39702

Published Jul 23, 2024
·
Updated

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 repository. is unaffected.

Affected Software

4 affected components
OpenResty OpenResty>=1.19.3.1<=1.25.3.1
OpenResty OpenResty>=1.19.3.1<1.19.9.2
OpenResty OpenResty>=1.21.4.1<1.21.4.4
OpenResty OpenResty=1.25.3.1

Remediation

Patch Available

https://openresty.org/en/ann-1025003002.html

Event History

Jul 23, 2024
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-39702?

CVE-2024-39702 has been classified with a moderate severity due to its potential for causing denial of service.

2

How do I fix CVE-2024-39702?

To fix CVE-2024-39702, users should upgrade to OpenResty version 1.25.3.1 or later.

3

What type of attack does CVE-2024-39702 facilitate?

CVE-2024-39702 enables Hash Denial of Service (HashDoS) attacks through crafted requests.

4

Which versions of OpenResty are affected by CVE-2024-39702?

OpenResty versions from 1.19.3.1 to 1.25.3.1 are affected by CVE-2024-39702.

5

What are the potential impacts of CVE-2024-39702?

CVE-2024-39702 can lead to excessive resource usage during proxy operations, potentially resulting in a denial of service.

Company

Resources

Contact

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