CVE-2016-1572
What it is
mount.ecryptfs_private.c in eCryptfs-utils does not validate mount destination filesystem types, which allows local users to gain privileges by mounting over a nonstandard filesystem, as demonstrated by /proc/$pid.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 8.4 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-269 · Improper privilege management
- Record status
- Modified
Affected
- Ecryptfs ecryptfs-utils < 109
- Canonical Ubuntu Linux 12.04
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 15.04
- Canonical Ubuntu Linux 15.10
- Opensuse Leap 42.1
- Opensuse 13.1
- Opensuse 13.2
Attack profile CVSS 3.1 · 8.4
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-1572.md and follow it. Check whether this project is affected by CVE-2016-1572. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.debian.org/security/2016/dsa-3450
- http://www.ubuntu.com/usn/USN-2876-1
- https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/870
- https://bugs.launchpad.net/ecryptfs/+bug/1530566
- http://www.debian.org/security/2016/dsa-3450
- http://www.ubuntu.com/usn/USN-2876-1
- https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/870
- https://bugs.launchpad.net/ecryptfs/+bug/1530566
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177359.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177396.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00091.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00118.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00004.html
- http://www.debian.org/security/2016/dsa-3450
- http://www.openwall.com/lists/oss-security/2016/01/20/6
- http://www.securitytracker.com/id/1034791
- http://www.ubuntu.com/usn/USN-2876-1
- https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/870
- https://bugs.launchpad.net/ecryptfs/+bug/1530566
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177359.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177396.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00091.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00118.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00004.html
- http://www.debian.org/security/2016/dsa-3450
- http://www.openwall.com/lists/oss-security/2016/01/20/6
- http://www.securitytracker.com/id/1034791
- http://www.ubuntu.com/usn/USN-2876-1
- https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/870
- https://bugs.launchpad.net/ecryptfs/+bug/1530566