National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-1116 Detail

Current Description

A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure.

Source:  MITRE
Description Last Modified:  07/10/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.1 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H (V3 legend)
Impact Score: 5.2
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 3.6 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116 Issue Tracking Patch
https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364 Patch
https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3717-2/ Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:a:polkit_project:polkit:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
0.116


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1116
NVD Published Date:
07/10/2018
NVD Last Modified:
09/11/2018