Memory leak in ProFTPD



Published: 2023-05-03
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-46854
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		ProFTPD
Server applications / File servers (FTP/HTTP)

Vendor ProFTPD

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU75703

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-46854

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The vulnerability exists due memory leak in mod_radius. A remote attacker can force the application to disclose memory to the RADIUS server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ProFTPD: 1.3.0 - 1.3.7b

External links

http://github.com/proftpd/proftpd/issues/1284
http://github.com/proftpd/proftpd/pull/1285
http://bugs.gentoo.org/811495
http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



###SIDEBAR###