Vulnerability Description
vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 3.0.0, < 4.1.22 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.hThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.hThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.htmlMailing ListThird Party Advisory
- http://www.debian.org/security/2016/dsa-3433Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.hThird Party Advisory
FAQ
What is CVE-2015-5252?
CVE-2015-5252 is a vulnerability with a CVSS score of 7.2 (HIGH). vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended fi...
How severe is CVE-2015-5252?
CVE-2015-5252 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5252?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba, Canonical Ubuntu Linux, Debian Debian Linux.