CVE-2023-34624 htmlcleaner vulnerable to stack exhaustion
Attackers can cause denial of service in the htmlcleaner library by submitting crafted objects with cyclic dependencies.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-34624?
CVE-2023-34624 is a high-severity denial of service vulnerability in n/a, published on 14 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered htmlcleaner thru = 2.28 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses cyclic dependencies.
Weakness: CWE-787
Which versions are affected by CVE-2023-34624?
2 open source packages ship an affected version, including net.sourceforge.htmlcleaner:htmlcleaner. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
net.sourceforge.htmlcleaner:htmlcleaner Maven | All versions | 2.29 |
net.sourceforge.htmlcleaner:htmlcleaner Maven | All versions | 2.29 |
Products include Htmlcleaner Project Htmlcleaner.
How do I fix CVE-2023-34624?
Upgrade net.sourceforge.htmlcleaner:htmlcleaner to 2.29 or later.
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-2023-34624 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-34624 exists.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2023-34624, DLA-3520-1, DSA-5471-1, GHSA-jv4x-j47q-6qvp, UBUNTU-CVE-2023-34624, USN-6683-1.