CVEvulnerability
CVE-2021-27212
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-14
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-617
Description
In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.
Affected configurations
• openldap openldap (<= 2.4.57)
• openldap openldap 2.5.0
• openldap openldap 2.5.1
• debian debian linux 9.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-617 Reachable Assertion weakness
References
- https://bugs.openldap.org/show_bug.cgi?id=9454 Exploit, Issue Tracking, Vendor Advisory
- https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0 Patch, Vendor Advisory
- https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30 Patch, Vendor Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210319-0005/ Third Party Advisory
- https://www.debian.org/security/2021/dsa-4860 Third Party Advisory
- https://bugs.openldap.org/show_bug.cgi?id=9454 Exploit, Issue Tracking, Vendor Advisory
- https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0 Patch, Vendor Advisory
- https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30 Patch, Vendor Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210319-0005/ Third Party Advisory
- https://www.debian.org/security/2021/dsa-4860 Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com