CVE-2021-45470 Denial of service in n/a
Regular expression injection in cve-search allows attackers to cause a denial of service via ReDoS attacks.
- 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-2021-45470?
CVE-2021-45470 is a high-severity denial of service vulnerability in n/a, published on 23 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS (regular expression denial of service) or other impacts.
Weakness: CWE-1333
Which versions are affected by CVE-2021-45470?
It affects 1 product.
Products include Circl Cve-Search.
How do I fix CVE-2021-45470?
No fix has been published for CVE-2021-45470 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-2021-45470 being exploited?
There is no known exploitation of CVE-2021-45470 in the wild and no public exploit code.
Sources
Also known as GHSA-hq5r-m79m-vm9v.