Current Description
pcs before version 0.9.164 and 0.10 is vulnerable to a privilege escalation via authorized user malicious REST call. The REST interface of the pcsd service did not properly sanitize the file name from the /remote/put_file query. If the /etc/booth directory exists, an authenticated attacker with write permissions could create or overwrite arbitrary files with arbitrary data outside of the /etc/booth directory, in the context of the pcsd process.
Source:
MITRE
Description Last Modified:
04/12/2018
View Analysis Description
Analysis Description
pcs before version 0.9.164 and 0.10 is vulnerable to a privilege escalation via authorized user malicious REST call. The REST interface of the pcsd service did not properly sanitize the file name from the /remote/put_file query. If the /etc/booth directory exists, an authenticated attacker with write permissions could create or overwrite arbitrary files with arbitrary data outside of the /etc/booth directory, in the context of the pcsd process.
Source:
MITRE
Description Last Modified:
04/12/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
6.5 MEDIUM
Vector:
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
(V3 legend)
Impact Score:
3.6
Exploitability Score:
2.8
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None
CVSS v2.0 Severity and Metrics:
Base Score:
4.0 MEDIUM
Vector:
(AV:N/AC:L/Au:S/C:N/I:P/A:N)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.0
Access Vector (AV):
Network
Access Complexity (AC):
Insufficient_Info
Authentication (AU):
Single
Confidentiality (C):
None
Integrity (I):
Partial
Availability (A):
None
Additional Information:
Allows unauthorized modification
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Technical Details
Vulnerability Type
(View All)
- Permissions, Privileges, and Access Control (CWE-264)
Change History
1 change record found
- show changes
Initial Analysis -
5/17/2018 11:55:10 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:clusterlabs:pacemaker_command_line_interface:*:*:*:*:*:*:*:* versions up to (including) 0.9.164
*cpe:2.3:a:clusterlabs:pacemaker_command_line_interface:0.10:*:*:*:*:*:*:* |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:S/C:N/I:P/A:N) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| Added |
CWE |
|
CWE-264 |
| Changed |
Reference Type |
https://access.redhat.com/errata/RHSA-2018:1060 No Types Assigned |
https://access.redhat.com/errata/RHSA-2018:1060 Third Party Advisory |
| Changed |
Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1079 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1079 Issue Tracking, Third Party Advisory |