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zdiMaxpl0it (@maxpl0it)ZDI-23-547
HistoryMay 04, 2023 - 12:00 a.m.

(0Day) Linux Kernel IPv6 RPL Protocol Reachable Assertion Denial-of-Service Vulnerability

2023-05-0400:00:00
maxpl0it (@maxpl0it)
www.zerodayinitiative.com
39

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.008 Low

EPSS

Percentile

82.0%

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the RPL protocol. The issue results from the lack of proper handling of user-supplied data, which can result in an assertion failure. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.008 Low

EPSS

Percentile

82.0%