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ubuntucveUbuntu.comUB:CVE-2021-27212
HistoryFeb 14, 2021 - 12:00 a.m.

CVE-2021-27212

2021-02-1400:00:00
ubuntu.com
ubuntu.com
34

5 Medium

CVSS2

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

7.5 High

CVSS3

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

0.243 Low

EPSS

Percentile

96.6%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchopenldap< 2.4.45+dfsg-1ubuntu1.10UNKNOWN
ubuntu20.04noarchopenldap< 2.4.49+dfsg-2ubuntu1.7UNKNOWN
ubuntu20.10noarchopenldap< 2.4.53+dfsg-1ubuntu1.4UNKNOWN
ubuntu21.04noarchopenldap< 2.4.57+dfsg-2ubuntu1UNKNOWN
ubuntu21.10noarchopenldap< 2.4.57+dfsg-2ubuntu1UNKNOWN
ubuntu22.04noarchopenldap< 2.4.57+dfsg-2ubuntu1UNKNOWN
ubuntu22.10noarchopenldap< 2.4.57+dfsg-2ubuntu1UNKNOWN
ubuntu23.04noarchopenldap< 2.4.57+dfsg-2ubuntu1UNKNOWN
ubuntu23.10noarchopenldap< 2.4.57+dfsg-2ubuntu1UNKNOWN
ubuntu24.04noarchopenldap< 2.4.57+dfsg-2ubuntu1UNKNOWN
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5 Medium

CVSS2

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

7.5 High

CVSS3

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

0.243 Low

EPSS

Percentile

96.6%