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CVE Vulnerabilities

CVE-2019-5010

NULL Pointer Dereference

Published: Oct 31, 2019 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-5010
CWEhttps://cwe.mitre.org/data/definitions/476.html

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

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
PythonPython2.7.0 (including)2.7.16 (excluding)
PythonPython3.4.0 (including)3.4.10 (excluding)
PythonPython3.5.0 (including)3.5.7 (excluding)
PythonPython3.6.0 (including)3.6.9 (excluding)
PythonPython3.7.0 (including)3.7.3 (excluding)
Red Hat Ansible Tower 3.4 for RHEL 7RedHatansible-tower-34/ansible-tower-memcached:1.4.15-28*
Red Hat Ansible Tower 3.4 for RHEL 7RedHatansible-tower-35/ansible-tower-memcached:1.4.15-28*
Red Hat Ansible Tower 3.4 for RHEL 7RedHatansible-tower-37/ansible-tower-memcached-rhel7:1.4.15-28*
Red Hat Enterprise Linux 7RedHatpython-0:2.7.5-86.el7*
Red Hat Enterprise Linux 8RedHatpython3-0:3.6.8-15.1.el8*
Red Hat Enterprise Linux 8RedHatpython3-0:3.6.8-15.1.el8*
Red Hat Software Collections for Red Hat Enterprise Linux 6RedHatrh-python36-python-0:3.6.9-2.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatrh-python36-python-0:3.6.9-2.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSRedHatrh-python36-python-0:3.6.9-2.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSRedHatrh-python36-python-0:3.6.9-2.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSRedHatrh-python36-python-0:3.6.9-2.el7*
Python2.7Ubuntubionic*
Python2.7Ubuntucosmic*
Python2.7Ubuntuesm-infra/bionic*
Python2.7Ubuntuesm-infra/xenial*
Python2.7Ubuntuupstream*
Python2.7Ubuntuxenial*
Python3.4Ubuntuesm-infra-legacy/trusty*
Python3.4Ubuntutrusty*
Python3.4Ubuntutrusty/esm*
Python3.5Ubuntuesm-infra-legacy/trusty*
Python3.5Ubuntuesm-infra/xenial*
Python3.5Ubuntutrusty*
Python3.5Ubuntutrusty/esm*
Python3.5Ubuntuxenial*
Python3.6Ubuntubionic*
Python3.6Ubuntucosmic*
Python3.6Ubuntuesm-infra/bionic*
Python3.7Ubuntuupstream*

Potential Mitigations

References

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