CVE-2015-3220 tlslite remote denial of service vulnerability
Remote attackers can cause a denial of service by triggering a runtime exception and process crash in the tlslite library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-3220?
CVE-2015-3220 is a high-severity denial of service vulnerability in n/a, published on 13 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The tlslite library before 0.4.9 for Python allows remote attackers to trigger a denial of service (runtime exception and process crash).
Weakness: CWE-119
Which versions are affected by CVE-2015-3220?
3 open source packages ship an affected version, including tlslite. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
tlslite PyPI | All versions | 0.4.9 |
tlslite PyPI | All versions | 0.4.9 |
tlslite PyPI | All versions | 0.4.9 |
Products include Tlslite Project Tlslite.
How do I fix CVE-2015-3220?
Upgrade tlslite to 0.4.9 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-2015-3220 being exploited?
There is no known exploitation of CVE-2015-3220 in the wild and no public exploit code.
Sources
Also known as GHSA-4749-p7rx-8jjj, PYSEC-2017-96.