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ubuntucveUbuntu.comUB:CVE-2020-25710
HistoryNov 13, 2020 - 12:00 a.m.

CVE-2020-25710

2020-11-1300:00:00
ubuntu.com
ubuntu.com
18
openldap
version 2.4.56
flaw
attacker
assertion
system availability

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

EPSS

0.028

Percentile

90.7%

A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an
attacker who sends a malicious packet processed by OpenLDAP to force a
failed assertion in csnNormalize23(). The highest threat from this
vulnerability is to system availability.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchopenldap< 2.4.45+dfsg-1ubuntu1.8UNKNOWN
ubuntu20.04noarchopenldap< 2.4.49+dfsg-2ubuntu1.5UNKNOWN
ubuntu20.10noarchopenldap< 2.4.53+dfsg-1ubuntu1.2UNKNOWN
ubuntu14.04noarchopenldap< 2.4.31-1+nmu2ubuntu8.5+esm4UNKNOWN
ubuntu16.04noarchopenldap< 2.4.42+dfsg-2ubuntu3.11UNKNOWN

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

EPSS

0.028

Percentile

90.7%