high7.5
CVE-2020-36221
An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of se…
Impact
An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openldap | Openldap | before 2.4.57 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
| Apple | Mac Os X | from 10.14.0 before 10.14.6 Version 10.14.6 |
| Apple | Macos | from 11.1 before 11.4 |
Weakness classification
References
- NVD record
- CVE.org record
- http://seclists.org/fulldisclosure/2021/May/64
- http://seclists.org/fulldisclosure/2021/May/65
- http://seclists.org/fulldisclosure/2021/May/70
- https://bugs.openldap.org/show_bug.cgi?id=9404
- https://bugs.openldap.org/show_bug.cgi?id=9424
- https://git.openldap.org/openldap/openldap/-/commit/38ac838e4150c626bbfa0082b7e2cf3a2bb4df31
- https://git.openldap.org/openldap/openldap/-/commit/58c1748e81c843c5b6e61648d2a4d1d82b47e842
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
- 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
- https://security.netapp.com/advisory/ntap-20210226-0002/
- https://support.apple.com/kb/HT212529
- https://support.apple.com/kb/HT212530
- https://support.apple.com/kb/HT212531
- https://www.debian.org/security/2021/dsa-4845
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html