7.5
HIGH
CVE-2020-36225
OpenLDAP Double Free Denial of Service
Description

A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo processing, resulting in denial of service.

INFO

Published Date :

Jan. 26, 2021, 6:15 p.m.

Last Modified :

Nov. 7, 2023, 3:22 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-36225 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 Debian debian_linux
1 Apple macos
1 Openldap openldap
: Total Affected Vendor : 3 | Products : 3
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-2020-36225.

URL Resource
http://seclists.org/fulldisclosure/2021/May/64 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/65 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/70 Mailing List Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9412 Issue Tracking Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65 Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26 Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439 Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8 Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes Vendor Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory
https://support.apple.com/kb/HT212529 Third Party Advisory
https://support.apple.com/kb/HT212530 Third Party Advisory
https://support.apple.com/kb/HT212531 Third Party Advisory
https://www.debian.org/security/2021/dsa-4845 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-2020-36225 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-36225 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]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E [No types assigned]
    Removed Reference MITRE https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
  • Modified Analysis by [email protected]

    Apr. 13, 2022

    Action Type Old Value New Value
    Changed Reference Type http://seclists.org/fulldisclosure/2021/May/64 No Types Assigned http://seclists.org/fulldisclosure/2021/May/64 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/May/65 No Types Assigned http://seclists.org/fulldisclosure/2021/May/65 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/May/70 No Types Assigned http://seclists.org/fulldisclosure/2021/May/70 Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212530 No Types Assigned https://support.apple.com/kb/HT212530 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212531 No Types Assigned https://support.apple.com/kb/HT212531 Third Party Advisory
  • CVE Modified by [email protected]

    Jun. 29, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 28, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    May. 26, 2021

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2021/May/70 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2021/May/64 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2021/May/65 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212530 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212531 [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 25, 2021

    Action Type Old Value New Value
    Changed Reference Type https://support.apple.com/kb/HT212529 No Types Assigned https://support.apple.com/kb/HT212529 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.1 up to (excluding) 11.4
  • CVE Modified by [email protected]

    May. 24, 2021

    Action Type Old Value New Value
    Added Reference https://support.apple.com/kb/HT212529 [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 05, 2021

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210226-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory
  • CVE Modified by [email protected]

    Feb. 26, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210226-0002/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 08, 2021

    Action Type Old Value New Value
    Changed Reference Type https://bugs.openldap.org/show_bug.cgi?id=9412 Vendor Advisory https://bugs.openldap.org/show_bug.cgi?id=9412 Issue Tracking, Vendor Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2021/dsa-4845 No Types Assigned https://www.debian.org/security/2021/dsa-4845 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Feb. 03, 2021

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2021/dsa-4845 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 03, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 28, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    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://bugs.openldap.org/show_bug.cgi?id=9412 No Types Assigned https://bugs.openldap.org/show_bug.cgi?id=9412 Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65 No Types Assigned https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65 Patch, Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26 No Types Assigned https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26 Patch, Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439 No Types Assigned https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439 Patch, Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8 No Types Assigned https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8 Patch, Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 No Types Assigned https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes, Vendor Advisory
    Added CWE NIST CWE-415
    Added CPE Configuration OR *cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.57
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-2020-36225 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-2020-36225 weaknesses.

Exploit Prediction

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

1.34 }} 0.06%

score

0.85717

percentile

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