Debian update for hyperkitty

1) Improper Authorization

EUVDB-ID: #VU53655

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-2021-33038

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

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

The vulnerability exists due to missing authorization checks in "management/commands/hyperkitty_import.py" during import of private mailing list's archives when migrating from Mailman 2 to Mailman 3. A remote attacker can download sensitive information during the import stage, as the archives become available to everybody.

Mitigation

Update hyperkitty package to version 1.2.2-1+deb10u1.

Vulnerable software versions

hyperkitty (Debian package): 1.1.4-1 - 1.3.2-1.1

CPE2.3

• cpe:2.3:o:debian:hyperkitty_debian_package:1.3.2-1.1:*:*:*:*:debian_linux:*:
• cpe:2.3:o:debian:hyperkitty_debian_package:1.3.2:*:*:*:*:debian_linux:*:
• cpe:2.3:o:debian:hyperkitty_debian_package:1.2.2:*:*:*:*:debian_linux:*:

External links

http://www.debian.org/security/2021/dsa-4922

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.