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rosalinuxROSA LABROSA-SA-2021-1968
HistoryJul 02, 2021 - 6:07 p.m.

Advisory ROSA-SA-2021-1968

2021-07-0218:07:47
ROSA LAB
abf.rosalinux.ru
7

7.5 High

CVSS2

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

9.8 High

CVSS3

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

9.3 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

86.7%

Software: screen 4.1.0
OS: Cobalt 7.9

CVE-ID: CVE-2017-5618
CVE-Crit: HIGH
CVE-DESC: GNU screen before 4.5.1 allows local users to modify arbitrary files and therefore gain superuser privileges by improperly checking log file permissions.
CVE-STATUS: default
CVE-REV: default

CVE-ID: CVE-2020-9366
CVE-Crit: CRITICAL
CVE-DESC: A buffer overflow was detected in the way GNU Screen before 4.8.0 handled the special escape code OSC 49. Specially crafted output or a special program could have corrupted memory and caused Screen to crash, or possibly had an unspecified other impact.
CVE-STATUS: default
CVE-REV: default

CVE-ID: CVE-2021-26937
CVE-Crit: CRITICAL
CVE-DESC: encoding.c in GNU Screen before 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have an unspecified other impact using a generated UTF-8 character sequence.
CVE-STATUS: default
CVE-REV: default

OSVersionArchitecturePackageVersionFilename
Cobaltanynoarchscreen< 4.1.0UNKNOWN

7.5 High

CVSS2

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

9.8 High

CVSS3

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

9.3 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

86.7%