Design/Logic Flaw

2020-01-2118:15:00

PRIOn knowledge base

www.prio-n.com

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.3 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

72.6%

JSON

There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to a call to realloc() while other local variables still point at the original buffer.

CPENameOperatorVersion
ubuntu_linuxeq16.04
ubuntu_linuxeq18.04
ubuntu_linuxeq19.04
ubuntu_linuxeq19.10
leapeq15.1
sambage4.9.0
sambalt4.9.18
sambage4.10.0
sambalt4.10.12
sambage4.11.0

Name	Operator	Version
ubuntu_linux	eq	16.04
ubuntu_linux	eq	18.04
ubuntu_linux	eq	19.04
ubuntu_linux	eq	19.10
leap	eq	15.1
samba	ge	4.9.0
samba	lt	4.9.18
samba	ge	4.10.0
samba	lt	4.10.12
samba	ge	4.11.0