5.3
MEDIUM
CVE-2020-1722
"IPA Denial of Service Vulnerability"
Description

A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.

INFO

Published Date :

April 27, 2020, 9:15 p.m.

Last Modified :

Feb. 12, 2023, 11:40 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

1.6
Affected Products

The following products are affected by CVE-2020-1722 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
1 Freeipa freeipa
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-2020-1722.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722 Issue Tracking 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).

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

The following list is the news that have been mention CVE-2020-1722 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-1722 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
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description A flaw was found in IPA. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability. A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.
    Removed Reference https://access.redhat.com/errata/RHSA-2020:3936 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2020:4670 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2020-1722 [No Types Assigned]
    Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1793071 [No Types Assigned]
    Added CWE Red Hat, Inc. CWE-400
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability. A flaw was found in IPA. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.
    Removed CVSS V3 Red Hat, Inc. AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
    Added CVSS V3.1 Red Hat, Inc. AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1793071 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2020:4670 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2020:3936 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2020-1722 [No Types Assigned]
    Removed CWE Red Hat, Inc. CWE-400
  • Reanalysis by [email protected]

    May. 26, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V2 NIST (AV:N/AC:H/Au:N/C:N/I:N/A:C)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Initial Analysis by [email protected]

    May. 06, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722 Issue Tracking, Third Party Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (including) 4.8.0
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
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-2020-1722 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-2020-1722 weaknesses.

Exploit Prediction

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

0.08 }} 0.00%

score

0.32922

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability