Medium severity · published Mar 13, 2016
CVE-2015-7560
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…
6.5
CVSS
12.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.9% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
SA
Samba · Samba
3.2.0 before 4.1.23; 4.2.0 before 4.2.9; 4.3.0 before 4.3.6; 4.4.0; 4.4.0; 4.4.0 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 15.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-7560
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-7560
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178730.html
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178764.html
Mailing List
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180000.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00064.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00065.html
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