Memory leak in ProFTPD - CVE-2021-46854

Vulnerability identifier: #VU75703

CSH Severity: Low

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-46854

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

ProFTPD
Gentoo Linux
openEuler
LANTIME Operating System Firmware (LTOS)
proftpd
proftpd-debuginfo
proftpd-utils
proftpd-postgresql
proftpd-ldap
proftpd-sqlite
proftpd-devel
proftpd-mysql
proftpd-debugsource
net-ftp/proftpd

Install updates from vendor's website.

ProFTPD - update to 1.3.7c
LANTIME Operating System Firmware (LTOS) - update to 7.08.007
proftpd - update to 1.3.7a-2
proftpd-debuginfo - update to 1.3.7a-2
proftpd-utils - update to 1.3.7a-2
proftpd-postgresql - update to 1.3.7a-2
proftpd-ldap - update to 1.3.7a-2
proftpd-sqlite - update to 1.3.7a-2
proftpd-devel - update to 1.3.7a-2
proftpd-mysql - update to 1.3.7a-2
proftpd-debugsource - update to 1.3.7a-2
net-ftp/proftpd - update to 1.3.7c

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

• Memory leak in ProFTPD
• Gentoo update for ProFTPd
• openEuler 20.03 LTS SP1 update for proftpd
• openEuler 20.03 LTS SP3 update for proftpd
• Meinberg LANTIME firmware update for third-party components (January 2024)