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CVE-2020-27187

Date: October 26, 2020

An issue was discovered in KDE Partition Manager 4.1.0 before 4.2.0. The kpmcore_externalcommand helper contains a logic flaw in which the service invoking D-Bus is not properly checked. An attacker on the local machine can replace /etc/fstab, and execute mount and other partitioning related commands, while KDE Partition Manager is running. the mount command can then be used to gain full root privileges.

Language: C++

Severity Score

Related Resources (8)

https://security-tracker.debian.org/tracker/CVE-2020-27187
https://nvd.nist.gov/vuln/detail/CVE-2020-27187
https://security.alpinelinux.org/vuln/CVE-2020-27187
https://bugzilla.redhat.com/show_bug.cgi?id=1890199
https://github.com/KDE/partitionmanager/compare/v4.1.0...v4.2.0
https://security.gentoo.org/glsa/202011-03
https://kde.org/info/security/advisory-20201017-1.txt
https://www.mend.io/vulnerability-database/CVE-2020-27187

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-77

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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