Vulnerability identifier: #VU31822

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15101

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
freewvs
Web applications / Modules and components for CMS

Vendor: schokokeks.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources because of Python's recursion limit and "os.walk()". A remote authenticated attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

freewvs: 0.1.0

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External links
http://github.com/schokokeksorg/freewvs/commit/83a6b55c0435c69f447488b791555e6078803143
http://github.com/schokokeksorg/freewvs/security/advisories/GHSA-7pmh-vrww-25xx

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.