openEuler 20.03 LTS SP1 update for proftpd

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 repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

proftpd-sqlite: before 1.3.7a-2

proftpd-ldap: before 1.3.7a-2

proftpd-debugsource: before 1.3.7a-2

proftpd-debuginfo: before 1.3.7a-2

proftpd-devel: before 1.3.7a-2

proftpd-utils: before 1.3.7a-2

proftpd-mysql: before 1.3.7a-2

proftpd-postgresql: before 1.3.7a-2

proftpd: before 1.3.7a-2

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2127

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.