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ubuntuUbuntuUSN-4747-2
HistoryFeb 24, 2021 - 12:00 a.m.

GNU Screen vulnerability

2021-02-2400:00:00
ubuntu.com
95

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

9.8 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.015 Low

EPSS

Percentile

86.5%

JSON

Releases

  • Ubuntu 14.04 ESM

Packages

  • screen - terminal multiplexer with VT100/ANSI terminal emulation

Details

USN-4747-1 fixed a vulnerability in screen. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Felix Weinmann discovered that GNU Screen incorrectly handled certain
character sequences. A remote attacker could use this issue to cause GNU
Screen to crash, resulting in a denial of service, or possibly execute
arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchscreen< 4.1.0~20120320gitdb59704-9ubuntu0.1~esm2UNKNOWN
Ubuntu14.04noarchscreen< 4.2.1-2~ubuntu14.04.1UNKNOWN
Ubuntu14.04noarchscreen-dbg< 4.2.1-2~ubuntu14.04.1UNKNOWN

Related

nessus 35
osv 5
centos 1
openvas 19
mageia 1
debian 3
fedora 2
suse 1
oraclelinux 1
ubuntucve 1
alpinelinux 1
ubuntu 1
cbl_mariner 1
prion 1
redhat 2
debiancve 1
redhatcve 1
amazon 2
cloudlinux 1
gentoo 1
veracode 1
cve 1
rosalinux 1
nessus
nessus
Amazon Linux 2 : screen (ALAS-2021-1623)
2021-03-27 00:00:00
EulerOS 2.0 SP8 : screen (EulerOS-SA-2021-1888)
2021-05-18 00:00:00
EulerOS 2.0 SP9 : screen (EulerOS-SA-2021-2057)
2021-07-01 00:00:00
osv
osv
screen - security update
2021-02-20 00:00:00
screen - security update
2021-02-21 00:00:00
CVE-2021-26937
2021-02-09 20:15:14
centos
centos
screen security update
2021-04-14 13:29:09
openvas
openvas
Huawei EulerOS: Security Advisory for screen (EulerOS-SA-2021-1888)
2021-05-19 00:00:00
Debian: Security Advisory (DSA-4861-1)
2021-02-23 00:00:00
SUSE: Security Advisory (SUSE-SU-2021:0492-1)
2021-04-19 00:00:00
mageia
mageia
Updated screen packages fix security vulnerability
2021-03-04 19:53:32
debian
debian
[SECURITY] [DSA 4861-1] screen security update
2021-02-21 08:31:22
[SECURITY] [DSA 4861-1] screen security update
2021-02-21 08:31:22
[SECURITY] [DLA 2570-1] screen security update
2021-02-19 18:34:16
fedora
fedora
[SECURITY] Fedora 33 Update: screen-4.8.0-5.fc33
2021-03-04 20:11:36
[SECURITY] Fedora 32 Update: screen-4.8.0-5.fc32
2021-03-03 23:27:25
suse
suse
Security update for screen (important)
2021-02-18 00:00:00
oraclelinux
oraclelinux
screen security update
2021-03-09 00:00:00
ubuntucve
ubuntucve
CVE-2021-26937
2021-02-09 00:00:00
alpinelinux
alpinelinux
CVE-2021-26937
2021-02-09 20:15:00
ubuntu
ubuntu
GNU Screen vulnerability
2021-02-24 00:00:00
cbl_mariner
cbl_mariner
CVE-2021-26937 affecting package screen 4.8.0-4
2023-09-28 12:35:58
prion
prion
Command injection
2021-02-09 20:15:00
redhat
redhat
(RHSA-2021:0742) Important: screen security update
2021-03-08 09:16:28
(RHSA-2022:1074) Important: screen security update
2022-03-28 09:00:30
debiancve
debiancve
CVE-2021-26937
2021-02-09 20:15:00
redhatcve
redhatcve
CVE-2021-26937
2021-02-10 01:03:57
amazon
amazon
Important: screen
2021-03-25 18:31:00
Low: screen
2021-04-07 00:18:00
cloudlinux
cloudlinux
Fix of CVE: CVE-2021-26937
2021-04-15 14:32:11
gentoo
gentoo
GNU Screen: User-assisted execution of arbitrary code
2021-05-26 00:00:00
veracode
veracode
Denial Of Service (DoS)
2021-02-11 12:01:53
cve
cve
CVE-2021-26937
2021-02-09 20:15:00
rosalinux
rosalinux
Advisory ROSA-SA-2021-1968
2021-07-02 18:07:47

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

9.8 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.015 Low

EPSS

Percentile

86.5%

JSON
Related for USN-4747-2
nessus35osv5centos1openvas19mageia1debian3fedora2suse1oraclelinux1ubuntucve1alpinelinux1ubuntu1cbl_mariner1prion1redhat2debiancve1redhatcve1amazon2cloudlinux1gentoo1veracode1cve1rosalinux1