CVE-2015-5252
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- EPSS
- 13.27% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- samba/samba · canonical/ubuntu linux · debian/debian linux
- Source
- secalert@redhat.com
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.htmlMailing List, Third 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.htmlThird Party Advisory
- http://www.securityfocus.com/bid/79733Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1034493Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2855-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-2855-2Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1290288Issue Tracking, Third Party Advisory
- https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=4278ef25f64d5fdbf432ff1534e275416ec9561e
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993Third Party Advisory
- https://security.gentoo.org/glsa/201612-47Third Party Advisory
- https://www.samba.org/samba/security/CVE-2015-5252.htmlExploit, Vendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.