Vulnerability in Docker Libcontainer
CVE-2015-3629
Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization ("mount namespace breakout") and write to arbitrary file on the host system via a symlink attack in an image when respawning a container.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Docker Libcontainer — versions 1.6.0
- openSUSE — versions 13.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- groups.google.com/forum/ (Permissions Required)
- seclists.org/fulldisclosure/2015/May/28 (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2015-05/msg00023.html (vendor-advisory, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Di… (VDB Entry, Third Party Advisory)
- www.securityfocus.com/bid/74558 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
Frequently asked questions
- What is CVE-2015-3629?
- CVE-2015-3629 is a high-severity vulnerability in Docker Libcontainer, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2015-05-18.
- How severe is CVE-2015-3629?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2015-3629 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.