OpenSUSE Linux update for lxc



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-6556
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Opensuse
Operating systems & Components / Operating system

Vendor SUSE

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU14510

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-6556

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local unauthenticated attacker to obtain potentially sensitive information on the target system.

The weakness exists due to lxc-user-nic unconditionally opens a user provided path when asked to delete a network interface. A local attacker can check for the existence of a path which he wouldn't otherwise be able to reach and trigger side effects by causing a (read-only) open of special kernel files (ptmx, proc, sys).

Mitigation

Update the affected packages.

Vulnerable software versions

Opensuse: 15.0

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2018-08/msg00049.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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