CVE-2020-36223: Double Free

Published Jan 25, 2021
·
Updated

A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read).

Other sources

OpenLDAP. This issue was addressed with improved checks.

Credit

CVE-2020-36226, CVE-2020-36229, CVE-2020-36225, CVE-2020-36224, CVE-2020-36223, CVE-2020-36227, CVE-2020-36228, CVE-2020-36221, CVE-2020-36222, CVE-2020-36230, CVE-2020-36226, CVE-2020-36229, CVE-2020-36225, CVE-2020-36224, CVE-2020-36223, CVE-2020-36227, CVE-2020-36228, CVE-2020-36221, CVE-2020-36222, CVE-2020-36230, CVE-2020-36226, CVE-2020-36227, CVE-2020-36223, CVE-2020-36224, CVE-2020-36225, CVE-2020-36221, CVE-2020-36228, CVE-2020-36222, CVE-2020-36230, CVE-2020-36229

Affected Software

26 affected componentsFixes available
debian/openldap
2.4.47+dfsg-3+deb10u72.4.57+dfsg-3+deb11u12.5.13+dfsg-5
Apple macOS Big Sur<11.4
11.4
Apple Catalina
Apple Mojave
openldap OpenLDAP<2.4.57
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Apple iOS and macOS>=10.14.0<10.14.6
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-security_update_2021-001
Apple iOS and macOS=10.14.6-security_update_2021-002
Apple iOS and macOS=10.14.6-security_update_2021-003
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple macOS>=11.1<11.4

Remediation

Patch Available

https://git.openldap.org/openldap/openldap/-/commit/21981053a1195ae1555e23df4d9ac68d34ede9dd

Event History

Jan 25, 2021
CVE Published
via MITRE·09:43 AM
Data Sourced
via MITRE·09:43 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2020-36223.

2

What is the affected software?

The affected software includes macOS Big Sur 11.4, macOS Mojave, and macOS Catalina.

3

What was the fix for this vulnerability?

This vulnerability was addressed with improved checks.

4

Is there any additional information available for this vulnerability?

Yes, you can find additional information at the following references: [Reference 1](https://support.apple.com/en-us/HT212530), [Reference 2](https://support.apple.com/en-us/HT212529), [Reference 3](https://support.apple.com/en-us/HT212531).

5

How severe is CVE-2020-36223?

The severity of CVE-2020-36223 is not specified.

Company

Resources

Contact

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CVE-2020-36223 - Double Free - SecAlerts