CVE-2019-5010 Null dereference in Python
A crafted X509 certificate triggers a NULL pointer dereference in Python's parser, causing a denial of service during TLS connections.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-5010?
CVE-2019-5010 is a medium-severity vulnerability in Debian Debian Linux, published on 31 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.
Weakness: CWE-476
Which versions are affected by CVE-2019-5010?
It affects 7 products.
Linux distribution packages (5)
python SUSE:Linux Enterprise Module for Basesystem 15 | All versions | 2.7.14-7.6.1 |
python-base SUSE:Linux Enterprise Module for Basesystem 15 | All versions | 2.7.14-7.6.1 |
python SUSE:Linux Enterprise Module for Desktop Applications 15 | All versions | 2.7.14-7.6.1 |
python openSUSE:Leap 15.0 | All versions | 2.7.14-lp150.6.6.1 |
python-base openSUSE:Leap 15.0 | All versions | 2.7.14-lp150.6.6.1 |
Products include Debian Debian Linux, Opensuse Leap, Python Python, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server Aus and 1 more.
How do I fix CVE-2019-5010?
Upgrade to a fixed version.
Is CVE-2019-5010 being exploited?
There is no known exploitation of CVE-2019-5010 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2019-5010, CLEANSTART-2026-AX63397, DEBIAN-CVE-2019-5010, GHSA-jj99-2g8j-7j25, MGASA-2019-0084, PSF-2019-8 and 3 more.