#VU33500 Input validation error in pcmanfm - CVE-2017-8934

Vulnerability identifier: #VU33500

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-8934

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
pcmanfm
Other software / Other software solutions

Vendor: wiki.lxde.org

Description

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

PCManFM 1.2.5 insecurely uses /tmp for a socket file, allowing a local user to cause a denial of service (application unavailability).

Mitigation
Install update from vendor's website.

Vulnerable software versions

pcmanfm: 1.2.5

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External links
https://bugs.debian.org/862571
https://git.lxde.org/gitweb/?p=lxde/pcmanfm.git;a=commit;h=bc8c3d871e9ecc67c47ff002b68cf049793faf08

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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.