Ubuntu update for screen-resolution-extra
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-8885 |
| CWE-ID | CWE-362 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Race condition
EUVDB-ID: #VU11502
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-8885
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to bypass security restrictions on the target system.
The weakness exists in screenresolution-mechanism due to improper use of the PolicyKit D-Bus API. A local attacker can trigger race condition via a setuid or pkexec process that is mishandled in a PolicyKitService._check_permission call and bypass security restrictions.
Install update from vendor's website.
Vulnerable software versionsUbuntu: 14.04 - 17.10
External linksQ & 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.
