Gentoo update for uptimed



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-36657
CWE-ID CWE-62
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Gentoo Linux
Operating systems & Components / Operating system

app-misc/uptimed
Operating systems & Components / Operating system package or component

Vendor Gentoo

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) UNIX Hard Link

EUVDB-ID: #VU75705

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-36657

CWE-ID: CWE-62 - UNIX Hard Link

Exploit availability: No

Description

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

The vulnerability exists due to a hardlink following issue. A local user with access to the uptimed user account can create a specially crafted hard link within the /var/spool/uptimed directory and escalate privileges to root.

Mitigation

Update the affected packages.
app-misc/uptimed to version: 0.4.6-r1

Vulnerable software versions

Gentoo Linux: All versions

app-misc/uptimed: before 0.4.6-r1

CPE2.3 External links

https://security.gentoo.org/glsa/202305-14


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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