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mageiaGentoo FoundationMGASA-2021-0109
HistoryMar 04, 2021 - 7:53 p.m.

Updated screen packages fix security vulnerability

2021-03-0419:53:32
Gentoo Foundation
advisories.mageia.org
14

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.015

Percentile

86.7%

Felix Weinmann reported a flaw in the handling of combining characters in screen, which can result in denial of service, or potentially the execution of arbitrary code via a specially crafted UTF-8 character sequence (CVE-2021-26937).

OSVersionArchitecturePackageVersionFilename
Mageia7noarchscreen< 4.6.2-2.2screen-4.6.2-2.2.mga7
Mageia8noarchscreen< 4.8.0-2.1screen-4.8.0-2.1.mga8

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.015

Percentile

86.7%