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computer vulnerability note CVE-2018-1000807

pyopenssl: use after free via X509

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via X509 of pyopenssl, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this announce: 2/4.
Consequences of an intrusion: user access/rights, denial of service on service, denial of service on client.
Attacker's origin: document.
Creation date: 08/11/2018.
Références of this computer vulnerability: CVE-2018-1000807, openSUSE-SU-2019:1104-1, SUSE-SU-2018:4063-1, USN-3813-1, VIGILANCE-VUL-27739.

Description of the vulnerability

An attacker can force the usage of a freed memory area via X509 of pyopenssl, in order to trigger a denial of service, and possibly to run code.
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