Upstream information

CVE-2017-5618 at MITRE

Description

GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.2
Vector AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database
Base Score 7.8
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3

Note from the SUSE Security Team

The screen binary on SUSE Linux Enterprise and openSUSE is not built with setuid or setgid rights, so this issue does not affect the shipped screen packages.

SUSE Bugzilla entry: 1021743 [RESOLVED / WORKSFORME]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 15 SP1
SUSE Linux Enterprise High Performance Computing 15 SP1
SUSE Linux Enterprise Module for Basesystem 15 SP1
SUSE Linux Enterprise Server 15 SP1
SUSE Linux Enterprise Server for SAP Applications 15 SP1
SUSE Linux Enterprise Storage 6
SUSE Manager Proxy 4.0
SUSE Manager Retail Branch Server 4.0
SUSE Manager Server 4.0
  • screen >= 4.6.2-3.14
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP1 GA screen-4.6.2-3.14
SUSE Linux Enterprise Desktop 15 SP2
SUSE Linux Enterprise High Performance Computing 15 SP2
SUSE Linux Enterprise Module for Basesystem 15 SP2
SUSE Linux Enterprise Server 15 SP2
SUSE Linux Enterprise Server for SAP Applications 15 SP2
SUSE Linux Enterprise Storage 7
SUSE Manager Proxy 4.1
SUSE Manager Retail Branch Server 4.1
SUSE Manager Server 4.1
  • screen >= 4.6.2-3.14
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP2 GA screen-4.6.2-3.14
SUSE Linux Enterprise Desktop 15 SP3
SUSE Linux Enterprise High Performance Computing 15 SP3
SUSE Linux Enterprise Module for Basesystem 15 SP3
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server for SAP Applications 15 SP3
SUSE Linux Enterprise Storage 7.1
SUSE Manager Proxy 4.2
SUSE Manager Retail Branch Server 4.2
SUSE Manager Server 4.2
  • screen >= 4.6.2-5.3.1
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP3 GA screen-4.6.2-5.3.1
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Module for Basesystem 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
  • screen >= 4.6.2-3.14
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 GA screen-4.6.2-3.14
openSUSE Leap 15.0
  • screen >= 4.6.2-lp150.3.8
Patchnames:
openSUSE Leap 15.0 GA screen-4.6.2-lp150.3.8
openSUSE Leap 15.2
  • screen >= 4.6.2-lp152.5.36
Patchnames:
openSUSE Leap 15.2 GA screen-4.6.2-lp152.5.111
openSUSE Leap 15.3
  • screen >= 4.6.2-5.3.1
Patchnames:
openSUSE Leap 15.3 GA screen-4.6.2-5.3.1
openSUSE Tumbleweed
  • screen >= 4.8.0-3.17
Patchnames:
openSUSE Tumbleweed GA screen-4.8.0-3.17


First public cloud image revisions this CVE is fixed in:


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
HPE Helion OpenStack 8 screen Not affected
HPE Helion OpenStack 8 yast2-ruby-bindings Already fixed
SUSE CaaS Platform 4.0 screen Not affected
SUSE Enterprise Storage 6 screen Not affected
SUSE Linux Enterprise Desktop 12 SP1 screen Not affected
SUSE Linux Enterprise Desktop 12 SP2 screen Not affected
SUSE Linux Enterprise Desktop 15 SP2 screen Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 screen Not affected
SUSE Linux Enterprise High Performance Computing 15 LTSS screen Not affected
SUSE Linux Enterprise High Performance Computing 15 LTSS yast2-ruby-bindings Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS screen Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 screen Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 screen Not affected
SUSE Linux Enterprise Point of Service 11 SP3 screen Analysis
SUSE Linux Enterprise Point of Service Image Server 12 SP2 screen Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS screen Analysis
SUSE Linux Enterprise Server 12 SP1 screen Not affected
SUSE Linux Enterprise Server 12 SP2 screen Not affected
SUSE Linux Enterprise Server 12 SP2 BCL screen Not affected
SUSE Linux Enterprise Server 12 SP2 ESPOS screen Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS screen Not affected
SUSE Linux Enterprise Server 12 SP3 BCL screen Not affected
SUSE Linux Enterprise Server 12 SP3 BCL yast2-ruby-bindings Already fixed
SUSE Linux Enterprise Server 12 SP3 ESPOS screen Not affected
SUSE Linux Enterprise Server 12 SP3 ESPOS yast2-ruby-bindings Already fixed
SUSE Linux Enterprise Server 12 SP3 LTSS screen Not affected
SUSE Linux Enterprise Server 12 SP3 LTSS yast2-ruby-bindings Already fixed
SUSE Linux Enterprise Server 12 SP4 ESPOS screen Not affected
SUSE Linux Enterprise Server 12 SP4 LTSS screen Not affected
SUSE Linux Enterprise Server 12 SP5 screen Not affected
SUSE Linux Enterprise Server 15 ESPOS screen Not affected
SUSE Linux Enterprise Server 15 ESPOS yast2-ruby-bindings Already fixed
SUSE Linux Enterprise Server 15 LTSS screen Not affected
SUSE Linux Enterprise Server 15 LTSS yast2-ruby-bindings Already fixed
SUSE Linux Enterprise Server 15 SP1 LTSS screen Not affected
SUSE Linux Enterprise Server 15 SP2 screen Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 screen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 screen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 screen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 yast2-ruby-bindings Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP4 screen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 screen Not affected
SUSE Linux Enterprise Server for SAP Applications 15 screen Not affected
SUSE Linux Enterprise Server for SAP Applications 15 yast2-ruby-bindings Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP1 screen Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 screen Not affected
SUSE Linux Enterprise Storage 7 screen Not affected
SUSE Manager Proxy 4.0 screen Not affected
SUSE Manager Proxy 4.1 screen Not affected
SUSE Manager Retail Branch Server 4.0 screen Not affected
SUSE Manager Retail Branch Server 4.1 screen Not affected
SUSE Manager Server 4.0 screen Not affected
SUSE Manager Server 4.1 screen Not affected
SUSE OpenStack Cloud 7 screen Not affected
SUSE OpenStack Cloud 8 screen Not affected
SUSE OpenStack Cloud 8 yast2-ruby-bindings Already fixed
SUSE OpenStack Cloud 9 screen Not affected
SUSE OpenStack Cloud Crowbar 8 screen Not affected
SUSE OpenStack Cloud Crowbar 8 yast2-ruby-bindings Already fixed
SUSE OpenStack Cloud Crowbar 9 screen Not affected