Upstream information

CVE-2015-6806 at MITRE

Description

The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having low severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 5 3.5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P AV:N/AC:M/Au:S/C:N/I:N/A:P
Access Vector Network Network
Access Complexity Low Medium
Authentication None Single
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Partial Partial
CVSS v3 Scores
  SUSE
Base Score 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 944458 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE CaaS Platform 3.0
  • screen >= 4.0.4-23.3.3
Patchnames:
SUSE-CAASP-3.0-2019-1354
SUSE CaaS Platform ALL
  • screen >= 4.0.4-23.3.3
Patchnames:
SUSE-CAASP-ALL-2019-1354
SUSE Linux Enterprise Desktop 12 SP3
  • screen >= 4.0.4-23.3.3
Patchnames:
SUSE-SLE-DESKTOP-12-SP3-2019-1354
SUSE Linux Enterprise Desktop 12 SP4
  • screen >= 4.0.4-23.3.3
Patchnames:
SUSE-SLE-DESKTOP-12-SP4-2019-1354
SUSE Linux Enterprise High Performance Computing 12 SP5
SUSE Linux Enterprise Server 12 SP5
  • screen >= 4.0.4-23.3.3
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • screen >= 4.0.4-23.3.3
Patchnames:
SUSE-SLE-SERVER-12-SP3-2019-1354
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • screen >= 4.0.4-23.3.3
Patchnames:
SUSE-SLE-SERVER-12-SP4-2019-1354
openSUSE Leap 42.3
  • screen >= 4.0.4-10.3.1
  • screen-debuginfo >= 4.0.4-10.3.1
  • screen-debugsource >= 4.0.4-10.3.1
Patchnames:
openSUSE-2019-1485


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Please note that this evaluation state might be work in progress, incomplete or outdated.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
SUSE CaaS Platform 3.0 screen Released
SUSE Container as a Service Platform 2.0 screen Released
SUSE Linux Enterprise Desktop 11 SP3 screen Affected
SUSE Linux Enterprise Desktop 11 SP4 screen Affected
SUSE Linux Enterprise Desktop 12 screen Affected
SUSE Linux Enterprise Desktop 12 SP3 screen Released
SUSE Linux Enterprise Desktop 12 SP4 screen Released
SUSE Linux Enterprise High Performance Computing 12 SP4 screen Released
SUSE Linux Enterprise High Performance Computing 12 SP5 screen Released
SUSE Linux Enterprise Server 11 SP1 screen Released
SUSE Linux Enterprise Server 11 SP3 screen Released
SUSE Linux Enterprise Server 11 SP3 for VMware screen Affected
SUSE Linux Enterprise Server 11 SP4 screen Affected
SUSE Linux Enterprise Server 12 screen Affected
SUSE Linux Enterprise Server 12 SP3 screen Released
SUSE Linux Enterprise Server 12 SP4 screen Released
SUSE Linux Enterprise Server 12 SP5 screen Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 screen Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 screen Released