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computer vulnerability note CVE-2018-1000807

pyopenssl: use after free via X509

Synthesis of the vulnerability

Impacted products: SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: user access/rights, denial of service on service, denial of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 08/11/2018.
Identifiers: CVE-2018-1000807, 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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