Upstream information

CVE-2015-8239 at MITRE

Description

The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 6.9 4.6
Vector AV:L/AC:M/Au:N/C:C/I:C/A:C AV:N/AC:H/Au:S/C:P/I:P/A:P
Access Vector Local Network
Access Complexity Medium High
Authentication None Single
Confidentiality Impact Complete Partial
Integrity Impact Complete Partial
Availability Impact Complete Partial

Note from the SUSE Security Team

This issue is only a problem if you allow sudo of specific binaries in user writable locations (and checking them with SHA2 digests). This scenario does not seem common, and we recommend not to allow sudo executing specific binaries in userwritable locations.

SUSE Bugzilla entry: 955994 [RESOLVED]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Linux Enterprise Desktop 11 SP3 sudo Not affected
SUSE Linux Enterprise Desktop 11 SP4 sudo Not affected
SUSE Linux Enterprise Desktop 12 GA sudo Not affected
SUSE Linux Enterprise Desktop 12 SP1 sudo Not affected
SUSE Linux Enterprise SDK 12 GA sudo Not affected
SUSE Linux Enterprise Server 11 SP3 sudo Not affected
SUSE Linux Enterprise Server 11 SP4 sudo Not affected
SUSE Linux Enterprise Server 12 GA sudo Not affected
SUSE Linux Enterprise Server 12 SP1 sudo Not affected
SUSE Linux Enterprise Server for VMWare 11 SP3 sudo Not affected