RCE in Setroubleshoot Project
CVE-2016-4989
setroubleshoot allows local users to bypass an intended container protection mechanism and execute arbitrary commands by (1) triggering an SELinux denial with a crafted file name, which is handled by the _set_tpath function in audit_data.py or via a crafted (2) local_id or (3) analysis_id field in a crafted XML document to the run_fix function in SetroubleshootFixit.py, related to the subprocess.check_output and commands.getstatusoutput functions, a different vulnerability than CVE-2016-4445.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Setroubleshoot Project
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Hpc Node — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- rhn.redhat.com/errata/RHSA-2016-1267.html (vendor-advisory, Third Party Advisory)
- github.com/fedora-selinux/setroubleshoot/commit/e69378d7e82a503534d29c5939fa219… (Patch)
- seclists.org/oss-sec/2016/q2/574 (mailing-list, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2016:1293 (vendor-advisory, Third Party Advisory)
- securitytracker.com/id/1036144 (Patch, Third Party Advisory, vdb-entry)
- github.com/fedora-selinux/setroubleshoot/commit/dda55aa50db95a25f0d919c3a0d5871… (Patch)
Frequently asked questions
- What is CVE-2016-4989?
- CVE-2016-4989 is a high-severity vulnerability in Setroubleshoot Project, classified under Command Injection. CVSS score: 7.0/10. Published 2017-04-11.
- How severe is CVE-2016-4989?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2016-4989 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.