#VU25649 Out-of-bounds read in Pure-FTPd - CVE-2020-9365

Vulnerability identifier: #VU25649

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9365

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pure-FTPd
Server applications / File servers (FTP/HTTP)

Vendor: PureFTPd.org

Description
The vulnerability allows a remote authenticated user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the pure_strcmp function in utils.c. A remote authenticated user can use a specially crafted FTP command to trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Pure-FTPd: 1.0.38 - 1.0.49

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External links
https://github.com/jedisct1/pure-ftpd/commit/36c6d268cb190282a2c17106acfd31863121b58e

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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.