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CVE-2013-4327

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Date: October 3, 2013

systemd does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

Language: C

Severity Score

Related Resources (7)

https://bugzilla.redhat.com/show_bug.cgi?id=1006680
http://www.openwall.com/lists/oss-security/2013/09/18/6
http://www.debian.org/security/2013/dsa-2777
http://www.ubuntu.com/usn/USN-1961-1
https://nvd.nist.gov/vuln/detail/CVE-2013-4327
https://security-tracker.debian.org/tracker/CVE-2013-4327
https://www.mend.io/vulnerability-database/CVE-2013-4327

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Race Conditions

CWE-362

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3.1

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

CVSS v2

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

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