CVE-2015-1328
HIGH severity · CVSS 7.8 · CWE-264
7.8CVSS HIGH
Summary
The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs is permitted in an arbitrary mount namespace.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)38%
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.htmlAdvisory
- http://seclists.org/oss-sec/2015/q2/717Advisory
- http://www.securityfocus.com/bid/75206Advisory
- https://security-tracker.debian.org/tracker/CVE-2015-1328Advisory
- https://www.exploit-db.com/exploits/37292/
- http://www.exploit-db.com/exploits/40688/Exploit