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osvGoogleOSV:BIT-OPENLDAP-2020-15719
HistoryMar 06, 2024 - 11:02 a.m.

BIT-openldap-2020-15719

2024-03-0611:02:33
Google
osv.dev
29
libldap
third-party packages
certificate validation
rfc6125 support
cn
subjectaltname
red hat enterprise linux

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

4.2 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

53.4%

libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux.

CPENameOperatorVersion
openldaplt2.4.46-10.el8

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

4.2 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

53.4%