high
7.5
CWE
415 125
Advisory Published
Updated

CVE-2020-36223: Double Free

First published: Mon 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).

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@mitre.org 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 SoftwareAffected VersionHow to fix
Openldap Openldap<2.4.57
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Apple Mac OS X>=10.14.0<10.14.6
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-security_update_2021-001
Apple Mac OS X=10.14.6-security_update_2021-002
Apple Mac OS X=10.14.6-security_update_2021-003
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
Apple macOS>=11.1<11.4
Apple macOS Big Sur<11.4
11.4
Apple Mojave
debian/openldap
2.4.47+dfsg-3+deb10u7
2.4.57+dfsg-3+deb11u1
2.5.13+dfsg-5

Remedy

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

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

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

  • What is the affected software?

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

  • What was the fix for this vulnerability?

    This vulnerability was addressed with improved checks.

  • 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).

  • How severe is CVE-2020-36223?

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

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