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CVE-2015-7560

Publication date 8 March 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
samba 17.04 zesty
Fixed 2:4.3.6+dfsg-1ubuntu1
16.10 yakkety
Fixed 2:4.3.6+dfsg-1ubuntu1
16.04 LTS xenial
Fixed 2:4.3.6+dfsg-1ubuntu1
15.10 wily
Fixed 2:4.1.17+dfsg-4ubuntu3.3
14.04 LTS trusty
Fixed 2:4.1.6+dfsg-1ubuntu2.14.04.13
12.04 LTS precise
Fixed 2:3.6.3-2ubuntu2.17
samba4 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

Other references