Red Hat update for cobbler

1) Privilege escalation

EUVDB-ID: #VU14482

Risk: Low

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-10931

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The vulnerability exists due to exposure of all functions from its CobblerXMLRPCInterface class over XMLRPC. A remote unauthenticated attacker can gain high privileges within cobbler, upload files to arbitrary location in the context of the daemon.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat Satellite: 5.6 - 5.8

CPE2.3

• cpe:2.3:a:red_hat:red_hat_satellite:5.6:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_satellite:5.7:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_satellite:5.8:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2018:2372

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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