Vulnerability identifier: #VU80394

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-46671

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: Dennis Kaarsemaker

Description

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

The vulnerability exists due to a boundary condition in options.c. A remote attacker can create a specially data to the application, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

atftp: 0.7.1 - 0.7.git20120829-3.1+b1

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External links
http://sourceforge.net/p/atftp/code/ci/9cf799c40738722001552618518279e9f0ef62e5
http://bugs.debian.org/1004974
http://lists.debian.org/debian-lts-announce/2022/05/msg00040.html

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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.