Permissions, Privileges, and Access Controls in mosquitto (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-12550
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 mosquitto (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU17466

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-12550

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

Exploit availability: No

Description

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

The vulnerability exists due to insecure default permissions to topics and messages, if the ACL file is blank. A remote attacker can gain unauthorized access to sensitive information.


Mitigation

Install update from vendor's website.

Vulnerable software versions

mosquitto (Alpine package): 1.2.3-r0 - 1.4.15-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=68e4e4a13ae7d52d37708f6d7393a5a6ef0ef856
https://git.alpinelinux.org/aports/commit/?id=1a43a53ec67e2c5ca5fa770026cd904d745f32a1
https://git.alpinelinux.org/aports/commit/?id=cdf3e55bbad03e4036a926c6ec33aae93e695537
https://git.alpinelinux.org/aports/commit/?id=231048d9b3314a33f93647991dc803fdf5cc7ff7
https://git.alpinelinux.org/aports/commit/?id=0615c8c70a2ec6b20460291a2755e9e36f393205
https://git.alpinelinux.org/aports/commit/?id=c000685cbe12c9f51e9d651aff660e8b3ebc8f70


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.



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