CVE-2018-1000808Improper Resource Shutdown or Release in Project Pyopenssl

Severity
5.9MEDIUMNVD
EPSS
0.2%
top 63.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 8
Latest updateNov 8

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

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages8 packages

Also affects: Ubuntu Linux 16.04

Patches

🔴Vulnerability Details

5
OSV
pyopenssl vulnerabilities2018-11-08
OSV
Pyopenssl Incorrect Memory Management2018-10-10
GHSA
Pyopenssl Incorrect Memory Management2018-10-10
CVEList
CVE-2018-1000808: Python Cryptographic Authority pyopenssl version Before 172018-10-08
OSV
CVE-2018-1000808: Python Cryptographic Authority pyopenssl version Before 172018-10-08

📋Vendor Advisories

3
Ubuntu
pyOpenSSL vulnerabilities2018-11-08
Debian
CVE-2018-1000808: pyopenssl - Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - ...2018
Red Hat
pyOpenSSL: Failure to release memory before removing last reference in PKCS #12 Store2017-11-29

💬Community

3
Bugzilla
CVE-2018-1000807 CVE-2018-1000808 pyOpenSSL: various flaws [fedora-28]2018-10-17
Bugzilla
CVE-2018-1000808 pyOpenSSL: Failure to release memory before removing last reference in PKCS #12 Store2018-10-17
Bugzilla
CVE-2018-1000807 CVE-2018-1000808 pyOpenSSL: various flaws [openstack-rdo]2018-10-17
CVE-2018-1000808 — Project Pyopenssl vulnerability | cvebase