Debian update for proftpd-dfsg



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-48651
CWE-ID CWE-269
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Debian Linux
Operating systems & Components / Operating system

proftpd-dfsg (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper privilege management

EUVDB-ID: #VU101665

Risk: High

CVSSv4.0: 7.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-48651

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to improper privilege management when handling users without assigned supplementary groups. If the user has no groups assigned to their account, the server will assume the GID of 0 for this account. As a result, the user will gain access to files and directories owned by the system root user and will be able to modify them at will, leading to privilege escalation and system compromise.

Mitigation

Update proftpd-dfsg package to version 1.3.8+dfsg-4+deb12u4.

Vulnerable software versions

Debian Linux: All versions

proftpd-dfsg (Debian package): before 1.3.8+dfsg-4+deb12u4

CPE2.3 External links

https://lists.debian.org/debian-security-announce/2024/msg00243.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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



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