Path Traversal in Clusterlabs Pacemaker Command Line Interface
CVE-2018-1079
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: -0.000
Affected products
- Clusterlabs Pacemaker Command Line Interface — versions 0.10
- Unspecified Pcs — versions pcs 0.9.164, pcs 0.10
- Red Hat Enterprise Linux — versions 7.0, 7.5
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2018:1060 (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2018-1079?
- CVE-2018-1079 is a high-severity vulnerability in Clusterlabs Pacemaker Command Line Interface, classified under Files or Directories Accessible to External Parties. CVSS score: 8.7/10. Published 2018-04-12.
- How severe is CVE-2018-1079?
- High severity. CVSS v3 base score is 8.7 out of 10.