Gentoo update for SSSD



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3621
CWE-ID CWE-77
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Gentoo Linux
Operating systems & Components / Operating system

sys-auth/sssd
Operating systems & Components / Operating system package or component

Vendor Gentoo

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Command Injection

EUVDB-ID: #VU56000

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3621

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation in the sssctl command within the logs-fetch and cache-expire subcommands. An attacker can trick the root user into running a specially crafted sssctl command, such as via sudo, and execute arbitrary code with root privileges.

Mitigation

Update the affected packages.
sys-auth/sssd to version: 2.5.2-r1

Vulnerable software versions

Gentoo Linux: All versions

sys-auth/sssd: before 2.5.2-r1

CPE2.3 External links

https://security.gentoo.org/glsa/202407-05


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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