High severity · published May 18, 2015
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…
7.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libcontainer · Docker
1.6.0 · source: NVD
OP
Opensuse · Opensuse
13.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-3629
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-3629
Mailing List
http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html
Third Party Advisory
http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html
Mailing List
http://seclists.org/fulldisclosure/2015/May/28
Broken Link
http://www.securityfocus.com/bid/74558
Permissions Required
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ
More from Libcontainer
–
CVE-2015-3627
Libcontainer and Docker Engine before 1.6.1 opens the file-descriptor passed to the pid-1 process before performing the chroot, which allows local users to gain privileges via a…