VDB-103757 · CVE-2017-11421 · BID 99922

gnome-exe-thumbnailer up to 0.9.4 Thumbnail MSI File code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

A vulnerability was found in gnome-exe-thumbnailer up to 0.9.4 and classified as critical. This issue affects an unknown part of the component Thumbnail Handler. The manipulation as part of a MSI File leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

gnome-exe-thumbnailer before 0.9.5 is prone to a VBScript Injection when generating thumbnails for MSI files, aka the "Bad Taste" issue. There is a local attack if the victim uses the GNOME Files file manager, and navigates to a directory containing a .msi file with VBScript code in its filename.

The bug was discovered 07/17/2017. The weakness was disclosed 07/18/2017 (Website). The advisory is shared at news.dieweltistgarnichtso.net. The identification of this vulnerability is CVE-2017-11421 since 07/18/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

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 commercial vulnerability scanner Qualys is able to test this issue with plugin 196907 (Ubuntu Security Update for gnome-exe-thumbnailer Vulnerability (CVE-2017-11421)).

Upgrading to version 0.9.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99922†). The entries VDB-184347, VDB-193103, VDB-194008 and VDB-206624 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: gnome-exe-thumbnailer 0.9.5
Patch: github.com

Timelineinfo

07/17/2017 🔍
07/18/2017 +1 days 🔍
07/18/2017 +0 days 🔍
07/18/2017 +0 days 🔍
07/19/2017 +1 days 🔍
07/24/2017 +5 days 🔍
12/13/2022 +1968 days 🔍

Sourcesinfo

Advisory: 1d8e3102dd8fd23431ae6127d14a236da6b4a4a5
Status: Not defined

CVE: CVE-2017-11421 (🔍)
SecurityFocus: 99922 - gnome-exe-thumbnailer CVE-2017-11421 Local Code Injection Vulnerability

See also: 🔍

Entryinfo

Created: 07/19/2017 09:35 AM
Updated: 12/13/2022 09:09 AM
Changes: 07/19/2017 09:35 AM (62), 10/27/2019 08:55 AM (3), 12/13/2022 09:09 AM (5)
Complete: 🔍
Cache ID: 44:9C6:40

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