CVE-2024-39702 Denial of service in n/a
An attacker can cause denial of service in OpenResty by sending crafted requests that trigger excessive resource usage in the string hashing function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-39702?
CVE-2024-39702 is a medium-severity denial of service vulnerability in n/a, published on 23 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-407
Which versions are affected by CVE-2024-39702?
It affects 1 product.
Products include Openresty Openresty.
How do I fix CVE-2024-39702?
No fix has been published for CVE-2024-39702 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-39702 being exploited?
There is no known exploitation of CVE-2024-39702 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6px8-752j-c2vv.