CVE Vulnerability

CVE-2021-27212

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0 Patch Vendor Advisory
https://bugs.openldap.org/show_bug.cgi?id=9454 Exploit Issue Tracking
https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30 Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4860 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210319-0005/ Third Party Advisory
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:openldap:openldap:2.5.1:alpha:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:2.5.0:alpha:*:*:*:*:*:*
cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2021-02-14 03:15

Updated : 2021-09-13 07:46

NVD link : CVE-2021-27212

Mitre link : CVE-2021-27212

Products Affected
No products.
CWE
CWE-617