Fedora 27 update for pcs



| Updated: 2025-04-24
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-1086
CVE-2018-1079
CWE-ID CWE-200
CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

pcs
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU11772

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1086

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The weakness exists in the REST interface due to debug parameter removal bypass. A remote attacker can gain access to potentially sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 27

pcs: before 0.9.164-1.fc27

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2018-57bbe74c6c


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.

2) Privilege escalation

EUVDB-ID: #VU11820

Risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1079

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

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to gain elevated privileges on the target system.

The weakness exists in the REST interface of the pcsd service due improper sanitization of the file name from the /remote/put_file query. A remote attacker can create or overwrite arbitrary files with arbitrary data outside of the /etc/booth directory, in the context of the pcsd process and gain root privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 27

pcs: before 0.9.164-1.fc27

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2018-57bbe74c6c


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged 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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