Permissions, Privileges, and Access Controls in keepalived (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-19045
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software
 keepalived (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU15790

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-19045

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to software sets insecure default permissions (0666) when creating new temporary files upon a call to PrintData or PrintStats. A local user can read potentially sensitive information from temporary files.


Mitigation

Install update from vendor's website.

Vulnerable software versions

keepalived (Alpine package): 2.0.5-r0 - 2.0.7-r1

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=b0db67a5a9a6e1d6299a426bcbbb56da356da370
https://git.alpinelinux.org/aports/commit/?id=d5456c04c54ef1071228fe009595f420a2dd7e42


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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