5.9
MEDIUM
CVE-2018-1000808
OpenSSL PKCS #12 Store Denial of Service
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.

INFO

Published Date :

Oct. 8, 2018, 3:29 p.m.

Last Modified :

Aug. 4, 2021, 5:14 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.2
Public PoC/Exploit Available at Github

CVE-2018-1000808 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-1000808 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat openstack
5 Redhat gluster_storage
1 Canonical ubuntu_linux
1 Pyopenssl_project pyopenssl
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-1000808.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 2 months, 2 weeks ago
5 stars 0 fork 0 watcher
Born at : Feb. 23, 2023, 5:42 a.m. This repo has been linked 455 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-1000808 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-1000808 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Aug. 04, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:redhat:openstack:13.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 02, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/errata/RHSA-2019:0085 No Types Assigned https://access.redhat.com/errata/RHSA-2019:0085 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:redhat:gluster_storage:3.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:openstack:13.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 17, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:0085 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 10, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://usn.ubuntu.com/3813-1/ No Types Assigned https://usn.ubuntu.com/3813-1/ Third Party Advisory
    Changed Reference Type https://github.com/pyca/pyopenssl/pull/723 No Types Assigned https://github.com/pyca/pyopenssl/pull/723 Patch, Third Party Advisory
    Added CWE CWE-404
    Added CPE Configuration OR *cpe:2.3:a:pyopenssl_project:pyopenssl:*:*:*:*:*:*:*:* versions up to (excluding) 17.5.0
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • CVE Modified by [email protected]

    Nov. 09, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3813-1/ [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-1000808 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-1000808 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.28 }} -0.03%

score

0.67961

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability