#VU65563 Error Handling in Checkmk - CVE-2017-14955

Vulnerability identifier: #VU65563

Vulnerability risk: Low

CVSSv4.0: 2.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2017-14955

CWE-ID: CWE-388

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Checkmk
Server applications / Other server solutions

Vendor: tribe29 GmbH

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper error handling, related to failed-login save feature. A remote attacker can gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Checkmk: 1.2.0 b1 - 1.2.8

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External links
https://mathias-kettner.com/check_mk_werks.php?edition_id=raw&branch=1.2.8
https://mathias-kettner.de/check_mk_werks.php?werk_id=5208&HTML=yes
https://www.exploit-db.com/exploits/43021/

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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.