Advisory ROSA-SA-2021-1970

2021-07-0218:07:57

ROSA LAB

abf.rosalinux.ru

vulnerability

slapi-nis

cobalt 7.9

unauthenticated attackers

389-ds-base

directory server

system availability

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

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

0.001

Percentile

50.0%

JSON

Software: slapi-nis 0.56.5
OS: Cobalt 7.9

CVE-ID: CVE-2021-3480
CVE-Crit: HIGH
CVE-DESC: A bug was discovered in slapi-nis in versions before 0.56.7. Dereferencing a null pointer during Binding DN parsing could allow an unauthenticated attacker to take down a 389-ds-base directory server. The biggest threat from this vulnerability is to system availability.
CVE-STATUS: default
CVE-REV: default