Vulnerability Description
A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openldap | Openldap | < 2.4.57 |
| Debian | Debian Linux | 9.0 |
| Apple | Macos | >= 11.1, < 11.4 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2021/May/64Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2021/May/65Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2021/May/70Mailing ListThird Party Advisory
- https://bugs.openldap.org/show_bug.cgi?id=9428Issue TrackingVendor Advisory
- https://git.openldap.org/openldap/openldap/-/commit/9d0e8485f3113505743baabf1167PatchVendor Advisory
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57Release NotesVendor Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e3
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8
- https://lists.debian.org/debian-lts-announce/2021/02/msg00005.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210226-0002/Third Party Advisory
- https://support.apple.com/kb/HT212529Third Party Advisory
- https://support.apple.com/kb/HT212530Third Party Advisory
- https://support.apple.com/kb/HT212531Third Party Advisory
- https://www.debian.org/security/2021/dsa-4845Third Party Advisory
- http://seclists.org/fulldisclosure/2021/May/64Mailing ListThird Party Advisory
FAQ
What is CVE-2020-36227?
CVE-2020-36227 is a vulnerability with a CVSS score of 7.5 (HIGH). A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service.
How severe is CVE-2020-36227?
CVE-2020-36227 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-36227?
Check the references section above for vendor advisories and patch information. Affected products include: Openldap Openldap, Debian Debian Linux, Apple Macos.