Auth bypass in Clusterlabs Pacemaker
CVE-2016-7035
An authorization flaw was found in Pacemaker before 1.1.16, where it did not properly guard its IPC interface. An attacker with an unprivileged account on a Pacemaker node could use this flaw to, for example, force the Local Resource Manager daemon to execute a script as root and thereby gain root access on the machine.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Clusterlabs Pacemaker — versions 1.1.16
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Eus — versions 7.3, 7.4, 7.5
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2016-2614.html (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201710-08 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/11/03/5 (mailing-list, Mailing List, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-2675.html (vendor-advisory, Third Party Advisory)
- lists.clusterlabs.org/pipermail/users/2016-November/004432.html (Vendor Advisory, mailing-list, Mailing List)
- github.com/ClusterLabs/pacemaker/commit/5d71e65049 (Third Party Advisory)
- www.securityfocus.com/bid/94214 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-7035?
- CVE-2016-7035 is a high-severity vulnerability in Clusterlabs Pacemaker, classified under Improper Authorization. CVSS score: 8.8/10. Published 2018-09-10.
- How severe is CVE-2016-7035?
- High severity. CVSS v3 base score is 8.8 out of 10.