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cveMitreCVE-2021-27212
HistoryFeb 14, 2021 - 3:15 a.m.

CVE-2021-27212

2021-02-1403:15:12
CWE-617
mitre
web.nvd.nist.gov
352
5
openldap
cve-2021-27212
assertion failure
denial of service
slapd

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.2

Confidence

High

EPSS

0.243

Percentile

96.6%

JSON

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

Nvd
Node
openldapopenldapRange≤2.4.57
OR
openldapopenldapMatch2.5.0alpha
OR
openldapopenldapMatch2.5.1alpha
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
VendorProductVersionCPE
openldapopenldap*cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*
openldapopenldap2.5.0cpe:2.3:a:openldap:openldap:2.5.0:alpha:*:*:*:*:*:*
openldapopenldap2.5.1cpe:2.3:a:openldap:openldap:2.5.1:alpha:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.2

Confidence

High

EPSS

0.243

Percentile

96.6%

JSON
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