#VU67641 Permissions, Privileges, and Access Controls in net-analyzer/smokeping - CVE-2017-20147

Vulnerability identifier: #VU67641

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-20147

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
net-analyzer/smokeping
Operating systems & Components / Operating system package or component

Vendor: Gentoo

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to the initscript in smokeping on Gentoo uses a PID file that is writable by the smokeping user. A local user can write an arbitrary number to the PID file and prevent smokeping from starting.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

net-analyzer/smokeping: before 2.7.3-r1

---

External links
https://bugs.gentoo.org/631140
https://security.gentoo.org/glsa/202209-08

---

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.