7.5
HIGH
CVE-2018-14645
HAProxy HTTP/2 Denial of Service (DOSS)
Description

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.

INFO

Published Date :

Sept. 21, 2018, 1:29 p.m.

Last Modified :

Nov. 21, 2024, 3:49 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2018-14645 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
2 Redhat openshift_container_platform
3 Redhat openshift
1 Canonical ubuntu_linux
1 Haproxy haproxy
References to Advisories, Solutions, and Tools

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).

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

The following list is the news that have been mention CVE-2018-14645 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-14645 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHBA-2019:0028
    Added Reference https://access.redhat.com/errata/RHSA-2018:2882
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645
    Added Reference https://usn.ubuntu.com/3780-1/
    Added Reference https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html [No types assigned]
    Removed Reference Red Hat, Inc. https://www.mail-archive.com/[email protected]/msg31253.html
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE Red Hat, Inc. CWE-125
  • CVE Modified by [email protected]

    Jul. 23, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHBA-2019:0028 [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 28, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.mail-archive.com/[email protected]/msg31253.html No Types Assigned https://www.mail-archive.com/[email protected]/msg31253.html Mailing List, Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645 Issue Tracking, Mitigation, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3780-1/ No Types Assigned https://usn.ubuntu.com/3780-1/ Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:2882 No Types Assigned https://access.redhat.com/errata/RHSA-2018:2882 Third Party Advisory
    Added CWE CWE-125
    Added CPE Configuration OR *cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions up to (including) 1.8.14
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:redhat:openshift:3.10:*:*:*:enterprise:*:*:* *cpe:2.3:a:redhat:openshift_container_platform:3.9:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 09, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:2882 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 03, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3780-1/ [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-2018-14645 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-2018-14645 weaknesses.

Exploit Prediction

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

0.26 }} 0.01%

score

0.66332

percentile

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