CVE-2018-1000808 Information

Description

Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS 12 Store that can result in Denial of service if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling application however it could be as simple as initiating a TLS connection. Anything that would cause the calling application to reload certificates from a PKCS 12 store.. This vulnerability appears to have been fixed in 17.5.0.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html https://access.redhat.com/errata/RHSA-2019:0085 https://github.com/pyca/pyopenssl/pull/723 https://usn.ubuntu.com/3813-1/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9