Unity Settings Daemon up to 14.04/15.04 Screen Lock input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Unity Settings Daemon up to 14.04/15.04. Affected by this vulnerability is an unknown functionality of the component Screen Lock. This manipulation causes input validation. This vulnerability is tracked as CVE-2015-1319. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Unity Settings Daemon up to 14.04/15.04 and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Screen Lock. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Unity Settings Daemon before 14.04.0+14.04.20150825-0ubuntu2 and 15.04.x before 15.04.1+15.04.20150408-0ubuntu1.2 does not properly detect if the screen is locked, which allows physically proximate attackers to mount removable media while the screen is locked as demonstrated by inserting a USB thumb drive.

The weakness was disclosed 09/17/2015 (Website). The advisory is shared at ubuntu.com. This vulnerability is known as CVE-2015-1319 since 01/22/2015. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 85983 (Ubuntu 14.04 LTS / 15.04 : unity-settings-daemon vulnerability (USN-2741-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196242 (Ubuntu Security Notification for Unity-settings-daemon Vulnerability (USN-2741-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (85983), SecurityFocus (BID 76787†) and Vulnerability Center (SBV-54626†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 85983
Nessus Name: Ubuntu 14.04 LTS / 15.04 : unity-settings-daemon vulnerability (USN-2741-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for unity-settings-daemon USN-2741-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2015 🔍
09/16/2015 +237 days 🔍
09/16/2015 +0 days 🔍
09/17/2015 +1 days 🔍
09/17/2015 +0 days 🔍
09/17/2015 +0 days 🔍
09/18/2015 +1 days 🔍
11/26/2015 +69 days 🔍
11/30/2024 +3292 days 🔍

Sourcesinfo

Advisory: USN-2741-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1319 (🔍)
GCVE (CVE): GCVE-0-2015-1319
GCVE (VulDB): GCVE-100-77737
SecurityFocus: 76787
Vulnerability Center: 54626 - Unity Settings Daemon Local Restrictions Bypass via a USB Thumb Drive, Low

Entryinfo

Created: 09/18/2015 10:48
Updated: 11/30/2024 19:38
Changes: 09/18/2015 10:48 (54), 04/20/2018 09:27 (13), 06/15/2022 16:48 (3), 11/30/2024 19:38 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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