CVE-2015-7560: canonical ubuntu_linux Improper Access Control
CVSS: 6.5v3.1MediumModified
AliasesMGASA-2016-0106SUSE-SU-2016:0814-1SUSE-SU-2016:0816-1SUSE-SU-2016:0837-1SUSE-SU-2016:0905-1RHSA-2016:0447RHSA-2016:0448RHSA-2016:0449UBUNTU-CVE-2015-7560DEBIAN-CVE-2015-7560
Published 13-03-2016Last modified 06-08-2024
Vulnerability summary
CVE-2015-7560 is a medium (CVSS 6.5) Improper Access Control vulnerability in canonical ubuntu_linux. EPSS estimates a 12.94% chance of exploitation in the next 30 days, higher than 96.2% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
12.94%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 13-03-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink, and then using a non-UNIX SMB1 call to write to the ACL content.
CVSS metrics
5 scores · 3 sources · 3 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Medium 6.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSourcesSingle source
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
12.94%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 12.94% on 20-09-2026
20-09-202620-10-2026
EPSS score12.94%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat48 products
- ctdb< 0:4.2.4-15.el6rhs | < 0:4.2.4-15.el7rhgs | < 0:4.2.3-12.el7_2
- ctdb-devel< 0:4.2.4-15.el6rhs | < 0:4.2.4-15.el7rhgs | < 0:4.2.3-12.el7_2
- ctdb-tests< 0:4.2.4-15.el6rhs | < 0:4.2.4-15.el7rhgs | < 0:4.2.3-12.el7_2
- libsmbclient< 0:4.2.4-15.el6rhs | < 0:4.2.4-15.el7rhgs | < 0:3.6.23-25.el6_7 | < 0:4.2.3-12.el7_2
- libsmbclient-devel< 0:4.2.4-15.el6rhs | < 0:4.2.4-15.el7rhgs | < 0:3.6.23-25.el6_7 | < 0:4.2.3-12.el7_2
Suse17 products
- samba-doc&distro=SUSE Linux Enterprise Desktop 11 SP4< 3.6.3-67.2
- samba-doc&distro=SUSE Linux Enterprise Server 11 SP2-LTSS< 3.6.3-48.2
- samba-doc&distro=SUSE Linux Enterprise Server 11 SP4< 3.6.3-67.2
- samba-doc&distro=SUSE Linux Enterprise Server for SAP Applications 11 SP4< 3.6.3-67.2
- samba&distro=SUSE Linux Enterprise Desktop 11 SP4< 3.6.3-67.2
Debian2 products
- samba< 2:4.3.6+dfsg-1
- debian_linuxEOL7.0 | 8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.10
Mageia1 product
- samba< 3.6.25-2.2.mga5
Samba1 product
- sambaEOL≥ 3.2.0, < 4.1.23 | ≥ 4.2.0, < 4.2.9 | ≥ 4.3.0, < 4.3.6 | 4.4.0:rc1 | 4.4.0:rc2 | 4.4.0:rc3
Ubuntu1 product
- samba< 2:4.1.6+dfsg-1ubuntu2.14.04.13 | < 2:4.3.6+dfsg-1ubuntu1
7 vendors · 71 products
References
51 links- lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00081.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00090.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05121842X Refsource CONFIRMThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-March/178764.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00064.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.samba.org/samba/security/CVE-2015-7560.htmlX Refsource CONFIRMVendor AdvisoryAdvisoryARTICLEREPORT
Show all 51 references
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-March/180000.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-March/178730.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00092.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00065.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- bugzilla.suse.com/953382REPORT
- bugzilla.suse.com/953972REPORT
- bugzilla.suse.com/960249REPORT
- bugzilla.suse.com/962177REPORT
- bugzilla.suse.com/968222REPORT
- bugzilla.suse.com/964023REPORT
- bugzilla.suse.com/966271REPORT
- bugzilla.suse.com/967017REPORT
- bugzilla.suse.com/936909REPORT