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redhatcveRedhat.comRH:CVE-2021-44964
HistoryMar 16, 2022 - 3:06 p.m.

CVE-2021-44964

2022-03-1615:06:22
redhat.com
access.redhat.com
22
lua interpreter
sandbox escape
use-after-free

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

28.1%

JSON

A flaw was found in the Lua interpreter. This flaw allows an attacker who can have a malicious script executed by the interpreter, to cause a use-after-free issue that may result in a sandbox escape.

Mitigation

Ensure that the Lua interpreter runs only trusted scripts.

Related

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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

28.1%

JSON
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