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redhatRedHatRHSA-2021:0742
HistoryMar 08, 2021 - 9:16 a.m.

(RHSA-2021:0742) Important: screen security update

2021-03-0809:16:28
access.redhat.com
83

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%

JSON

The screen utility allows users to have multiple logins on a single terminal.

Security Fix(es):

  • screen: crash when processing combining chars (CVE-2021-26937)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

OSVersionArchitecturePackageVersionFilename
RedHat7x86_64screen-debuginfo< 4.1.0-0.27.20120314git3c2946.el7_9screen-debuginfo-4.1.0-0.27.20120314git3c2946.el7_9.x86_64.rpm
RedHat7ppc64lescreen-debuginfo< 4.1.0-0.27.20120314git3c2946.el7_9screen-debuginfo-4.1.0-0.27.20120314git3c2946.el7_9.ppc64le.rpm
RedHat7ppc64screen< 4.1.0-0.27.20120314git3c2946.el7_9screen-4.1.0-0.27.20120314git3c2946.el7_9.ppc64.rpm
RedHat7s390xscreen< 4.1.0-0.27.20120314git3c2946.el7_9screen-4.1.0-0.27.20120314git3c2946.el7_9.s390x.rpm
RedHat7ppc64screen-debuginfo< 4.1.0-0.27.20120314git3c2946.el7_9screen-debuginfo-4.1.0-0.27.20120314git3c2946.el7_9.ppc64.rpm
RedHat7x86_64screen< 4.1.0-0.27.20120314git3c2946.el7_9screen-4.1.0-0.27.20120314git3c2946.el7_9.x86_64.rpm
RedHat7ppc64lescreen< 4.1.0-0.27.20120314git3c2946.el7_9screen-4.1.0-0.27.20120314git3c2946.el7_9.ppc64le.rpm
RedHat7s390xscreen-debuginfo< 4.1.0-0.27.20120314git3c2946.el7_9screen-debuginfo-4.1.0-0.27.20120314git3c2946.el7_9.s390x.rpm

Related

osv 5
openvas 19
fedora 2
mageia 1
debian 3
nessus 36
ubuntu 2
centos 1
oraclelinux 1
suse 1
ubuntucve 1
gentoo 1
veracode 1
cvelist 1
amazon 2
cloudlinux 1
debiancve 1
redhatcve 1
prion 1
cbl_mariner 1
alpinelinux 1
redhat 1
cve 1
nvd 1
rosalinux 1
osv
osv
screen - security update
2021-02-20 00:00:00
CVE-2021-26937
2021-02-09 20:15:14
screen - security update
2021-02-21 00:00:00
openvas
openvas
Debian: Security Advisory (DSA-4861-1)
2021-02-23 00:00:00
Huawei EulerOS: Security Advisory for screen (EulerOS-SA-2021-1888)
2021-05-19 00:00:00
Fedora: Security Advisory for screen (FEDORA-2021-5e9894a0c5)
2021-03-04 00:00:00
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
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] [DLA 2570-1] screen security update
2021-02-19 18:34:16
[SECURITY] [DSA 4861-1] screen security update
2021-02-21 08:31:22
nessus
nessus
Fedora 33 : screen (2021-9107eeb95c)
2021-03-05 00:00:00
EulerOS 2.0 SP8 : screen (EulerOS-SA-2021-1888)
2021-05-18 00:00:00
Amazon Linux 2 : screen (ALAS-2021-1623)
2021-03-27 00:00:00
ubuntu
ubuntu
GNU Screen vulnerability
2021-02-24 00:00:00
GNU Screen vulnerability
2021-02-24 00:00:00
centos
centos
screen security update
2021-04-14 13:29:09
oraclelinux
oraclelinux
screen security update
2021-03-09 00:00:00
suse
suse
Security update for screen (important)
2021-02-18 00:00:00
ubuntucve
ubuntucve
CVE-2021-26937
2021-02-09 00:00:00
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
cvelist
cvelist
CVE-2021-26937
2021-02-09 19:35:50
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
debiancve
debiancve
CVE-2021-26937
2021-02-09 20:15:14
redhatcve
redhatcve
CVE-2021-26937
2021-02-10 01:03:57
prion
prion
Command injection
2021-02-09 20:15:00
cbl_mariner
cbl_mariner
CVE-2021-26937 affecting package screen for versions less than 4.9.1-1
2023-09-28 12:35:58
alpinelinux
alpinelinux
CVE-2021-26937
2021-02-09 20:15:14
redhat
redhat
(RHSA-2022:1074) Important: screen security update
2022-03-28 09:00:30
cve
cve
CVE-2021-26937
2021-02-09 20:15:14
nvd
nvd
CVE-2021-26937
2021-02-09 20:15:14
rosalinux
rosalinux
Advisory ROSA-SA-2021-1968
2021-07-02 18:07:47

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%

JSON
Related for RHSA-2021:0742
osv5openvas19fedora2mageia1debian3nessus36ubuntu2centos1oraclelinux1suse1ubuntucve1gentoo1veracode1cvelist1amazon2cloudlinux1debiancve1redhatcve1prion1cbl_mariner1alpinelinux1redhat1cve1nvd1rosalinux1