Privilege escalation in Cobb



Published: 2018-08-22
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1000226
CWE-ID CWE-264
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Cobbler
Server applications / Other server solutions

Vendor Cobbler project

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Privilege escalation

EUVDB-ID: #VU14492

Risk: Low

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-1000226

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 improper validation of security tokens by the XMLRPC API endpoints. A remote unauthenticated attacker can perform unauthorized actions on a targeted system, such as gaining elevated privileges, modifying or accessing data, or accessing sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cobbler: 0.4.0 - 2.8.3

External links

http://github.com/cobbler/cobbler/issues/1916


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. However, proof of concept for this vulnerability is available.



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