CVE-2018-1000807

High

Description

Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a CWE-416: Use After Free vulnerability in X509 object handling that can result in Use after free can lead to possible denial of service or remote code execution.. This attack appear to be exploitable via Depends on the calling application and if it retains a reference to the memory.. This vulnerability appears to have been fixed in 17.5.0.

SeverityHigh
CVSS8.1
Exploit probability—
ProductPyopenssl
PublishedOct 8, 2018
First seenOct 8, 2018

How to fix

Update
  • pyopenssl pyopenssl17.5.0 or later
  • pyopenssl17.5.0 or later

Affected products

ProductAffected versionsFixed in
pyopenssl pyopensslv < 17.5.017.5.0
canonical ubuntu_linux16.04—
redhat openstack13—
redhat enterprise_linux_desktop7.0—
redhat enterprise_linux_server7.0—
redhat enterprise_linux_workstation7.0—
pyopensslPyPIv < 17.5.017.5.0

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