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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a Python
Python.org CPython 2.7.11 Python.org CPython 3.6.6 Python.org CPython 3.5.2 Python.org CPython 3 master at 480833808e918a1dcebbbcfd07d5a8de3c5c2a66affected
References
- https://access.redhat.com/errata/RHSA-2019:3520 ↗
- https://access.redhat.com/errata/RHSA-2019:3725 ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html ↗
- https://security.gentoo.org/glsa/202003-26 ↗
- https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html ↗
- https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E ↗
- https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html ↗
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758 ↗