RSA Authentication Manager CVE-2017-1000367 sudo: Privilege escalation in via improper get_process_ttyname() parsing
3 years ago
Originally Published: 2017-06-14
Article Number
000064258
Applies To
RSA Product Set: SecurID
RSA Product/Service Type: Authentication Manager
RSA Version/Condition: 8.x
CVE Identifier(s)
CVE-2017-1000367
Article Summary
CVE-2017-1000367 sudo: Privilege escalation in via improper get_process_ttyname() parsing
Link to Advisories
https://nvd.nist.gov/vuln/detail/CVE-2017-1000367
Alert Impact
Not Applicable
Alert Impact Explanation

CVE-2017-1000367 sudo: Privilege escalation in via improper get_process_ttyname() parsing

A flaw was found in the way sudo parsed tty information from the process status file in the proc filesystem. A local user with privileges to execute commands via sudo could use this flaw to escalate their privileges to root.

CVSS3 Base Score: 7.8 (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) - Red Hat score

Response: The flaw does not exist

The sudo implementation used on SLES11.4 is not vulnerable.

From SUSE: https://www.suse.com/security/cve/CVE-2017-1000367/

Note from the SUSE Security Team

This security issue only affects sudo 1.8.5 or later. The sudo versions on SUSE Linux Enterprise 11 and older products are not affected. This issue is also only a problem if the system operates in SELinux mode.

Resolution
The flaw does not exist.
Disclaimer
Read and use the information in this RSA Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this product alert, contact RSA Software Technical Support at 1- 800 995 5095. RSA Security LLC and its affiliates, including without limitation, its ultimate parent company, EMC Corporation, distributes RSA Security Advisories in order to bring to the attention of users of the affected RSA products, important security information. RSA recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided 'as is' without warranty of any kind. RSA disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event, shall RSA, its affiliates or suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if RSA, its affiliates or suppliers have been advised of the possibility of such damages. Some jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply.
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