OpenSUSE Linux update for samba



Published: 2016-03-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-7560
CWE-ID CWE-61
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Samba
Server applications / Directory software, identity management

Oracle Linux
Operating systems & Components / Operating system

Vendor Samba
Oracle

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect ACL get/set allowed on symlink path

EUVDB-ID: #VU242

Risk: Medium

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-7560

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

The vulnerability allows a remote attacker to launch a symlink attack.

The vulnerability exists in Samba. A remote authenticated attacker can overwrite access control lists on the directory by creating a symbolic link to a file or directory using SMB1 UNIX extensions and then issuing a non-UNIX SMB1.

Successful exploitation of this vulnerability may result in a symlink attack.

Mitigation

Update the affected packages.

Vulnerable software versions

Samba: 3.2.0 - 4.0.0

Oracle Linux: 6 - 7

External links

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00090.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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