CVE-2016-1576
En bref
- Source
- NVD
- EPSS
- EPSS 1.13 % · centile 66 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- canonical
- Statut NVD
- Modified
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Description
The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.
Références
- https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch
- https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
- https://bugs.launchpad.net/bugs/1535150
- http://www.openwall.com/lists/oss-security/2016/02/24/8
- http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html
- http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/
- http://www.openwall.com/lists/oss-security/2021/10/18/1
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2016-2671
- GCVE · GCVE-0-2016-1576
Avis du CERT-FR
- CERTFR-2016-AVI-069 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:canonical:ubuntu_core:15.04:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_touch:15.04:*:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≤ 4.5.2
Produits affectés
| Produit | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |