6.5
MEDIUM
CVE-2022-2850
"389-ds-base Denial of Service NULL Pointer Dereference in Content Synchronization"
Description

A flaw was found In 389-ds-base. When the Content Synchronization plugin is enabled, an authenticated user can reach a NULL pointer dereference using a specially crafted query. This flaw allows an authenticated attacker to cause a denial of service. This CVE is assigned against an incomplete fix of CVE-2021-3514.

INFO

Published Date :

Oct. 14, 2022, 6:15 p.m.

Last Modified :

May 18, 2023, 6:04 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2022-2850 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 directory_server
1 Fedoraproject fedora
1 Debian debian_linux
1 Port389 389-ds-base
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-2022-2850.

URL Resource
https://access.redhat.com/security/cve/CVE-2022-2850 Exploit Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2118691 Exploit Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html Mailing List 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-2022-2850 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-2850 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
  • Modified Analysis by [email protected]

    May. 18, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:389_directory_server:*:*:*:*:*:*:*:* versions from (including) 2.0.0 *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:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:* *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:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:port389:389-ds-base:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (including) 2.4.1
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 24, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description A flaw was found In 389-ds-base. When the Content Synchronization plugin is enabled, an authenticated user can reach a NULL pointer dereference using a specially crafted query. This flaw allows an authenticated attacker to cause a denial of service. A flaw was found In 389-ds-base. When the Content Synchronization plugin is enabled, an authenticated user can reach a NULL pointer dereference using a specially crafted query. This flaw allows an authenticated attacker to cause a denial of service. This CVE is assigned against an incomplete fix of CVE-2021-3514.
    Removed CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Removed Reference https://access.redhat.com/errata/RHSA-2022:7087 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2022:7133 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2022:8162 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2022:8680 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2022:8886 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2022:8976 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2023:0479 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description A flaw was found In 389-ds-base. When the Content Synchronization plugin is enabled, an authenticated user can reach a NULL pointer dereference using a specially crafted query. This flaw allows an authenticated attacker to cause a denial of service. This CVE is assigned against an incomplete fix of CVE-2021-3514. A flaw was found In 389-ds-base. When the Content Synchronization plugin is enabled, an authenticated user can reach a NULL pointer dereference using a specially crafted query. This flaw allows an authenticated attacker to cause a denial of service.
    Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added Reference https://access.redhat.com/errata/RHSA-2022:8886 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2022:8976 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2022:8162 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2023:0479 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2022:8680 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2022:7087 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2022:7133 [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 17, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2022-2850 No Types Assigned https://access.redhat.com/security/cve/CVE-2022-2850 Exploit, Vendor Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2118691 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2118691 Exploit, Issue Tracking, Vendor Advisory
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:389_directory_server:*:*:*:*:*:*:*:* versions from (including) 2.0.0 *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:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
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-2022-2850 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-2022-2850 weaknesses.

Exploit Prediction

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

0.10 }} 0.02%

score

0.42385

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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