Upstream information

CVE-2019-11251 at MITRE

Description

The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.7 5.3
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Access Vector Network Network
Access Complexity Low High
Privileges Required Low None
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact High High
Availability Impact None None
CVSSv3 Version 3.1 3
SUSE Bugzilla entry: 1151300 [NEW]

No SUSE Security Announcements cross referenced.

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 kubernetes Affected
SUSE CaaS Platform 4.0 kubernetes Already fixed
SUSE Container as a Service Platform 1.0 kubernetes Affected
SUSE Container as a Service Platform 2.0 kubernetes Unsupported
SUSE Linux Enterprise Module for Containers 15 SP1 kubernetes Unsupported
SUSE Linux Enterprise Module for Public Cloud 12 kubernetes Not affected