VDB-100625 · CVE-2017-8288 · BID 98070

gnome-shell up to 3.24.1 Extension js/ui/extensionSystem.js input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in gnome-shell up to 3.24.1 and classified as critical. This issue affects an unknown function of the file js/ui/extensionSystem.js of the component Extension Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The bug was discovered 04/25/2017. The weakness was published 04/27/2017 (Website). The advisory is shared at bugs.kali.org. The identification of this vulnerability is CVE-2017-8288 since 04/26/2017. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 102812 (openSUSE Security Update : gnome-shell (openSUSE-2017-974)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170313 (OpenSUSE Security Update for gnome-shell (openSUSE-SU-2017:2273-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (102812).




  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍



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


Class: Input validation
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 102812
Nessus Name: openSUSE Security Update : gnome-shell (openSUSE-2017-974)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com


04/25/2017 🔍
04/26/2017 +1 days 🔍
04/26/2017 +0 days 🔍
04/26/2017 +0 days 🔍
04/27/2017 +1 days 🔍
04/27/2017 +0 days 🔍
08/28/2017 +123 days 🔍
08/29/2017 +1 days 🔍
12/02/2022 +1921 days 🔍


Advisory: ff425d1db7082e2755d2a405af53861552acf2a1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8288 (🔍)
SecurityFocus: 98070 - GNOME gnome-shell CVE-2017-8288 Lock Screen Local Security Bypass Vulnerability
OSVDB: - CVE-2017-8288 - gnome-shell - Command Execution Issue


Created: 04/27/2017 04:50 PM
Updated: 12/02/2022 11:07 AM
Changes: 04/27/2017 04:50 PM (76), 12/02/2022 11:07 AM (5)
Complete: 🔍


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