CVE-2018-1000807: 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…

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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector

Network

Complexity

High

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)4.1% · higher than 91% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

EL

Enterprise Linux Desktop · Redhat

7.0 · source: NVD

EL

Enterprise Linux Server · Redhat

7.0 · source: NVD

EL

Enterprise Linux Workstation · Redhat

7.0 · source: NVD

OP

Openstack · Redhat

13 · source: NVD

PY

Pyopenssl · Pyopenssl

before 17.5.0 · source: NVD

UL

Ubuntu Linux · Canonical

16.04 · source: NVD