Security restrictions bypass in kpmcore (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-27187 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
kpmcore (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) Security restrictions bypass
EUVDB-ID: #VU47699
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-27187
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a logic flaw within the kpmcore_externalcommand helper when the service that invokes dbus is not properly checked. A local user can replace /etc/fstab file, execute mount and other partitioning related commands while KDE Partition Manager is running, and gain root privileges on the system.
Install update from vendor's website.
Vulnerable software versionskpmcore (Alpine package): 4.1.0-r0 - 4.1.0-r3
External linkshttp://git.alpinelinux.org/aports/commit/?id=56c77a437dfe57d14f4354795b826a0acb6e6d17
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.
