FlightGear prior 2016.4.4 Route Manager Nasal Script File access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in FlightGear. This impacts an unknown function of the component Route Manager. Executing a manipulation as part of Nasal Script can lead to access control (File). This vulnerability is handled as CVE-2016-9956. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in FlightGear. It has been declared as critical. This vulnerability affects an unknown function of the component Route Manager. The manipulation as part of a Nasal Script leads to a access control vulnerability (File). The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The route manager in FlightGear before 2016.4.4 allows remote attackers to write to arbitrary files via a crafted Nasal script.

The bug was discovered 12/14/2016. The weakness was released 02/22/2017 by Florent Rougon (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2016-9956 since 12/15/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96352 (Fedora 24 : FlightGear (2016-a1f774c3d7)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175917 (Debian Security Update for flightgear (DSA 3742-1)).

Upgrading to version 2016.4.4 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96352) and SecurityFocus (BID 94945†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: Access control / File
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96352
Nessus Name: Fedora 24 : FlightGear (2016-a1f774c3d7)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703742
OpenVAS Name: Debian Security Advisory DSA 3742-1 (flightgear - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FlightGear 2016.4.4

Timelineinfo

12/14/2016 🔍
12/14/2016 +0 days 🔍
12/15/2016 +1 days 🔍
01/06/2017 +22 days 🔍
01/10/2017 +4 days 🔍
02/22/2017 +43 days 🔍
02/22/2017 +0 days 🔍
02/23/2017 +1 days 🔍
09/15/2024 +2761 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Florent Rougon
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9956 (🔍)
GCVE (CVE): GCVE-0-2016-9956
GCVE (VulDB): GCVE-100-97216

OVAL: 🔍

SecurityFocus: 94945 - FlightGear CVE-2016-9956 Arbitrary File Overwrite Vulnerability
OSVDB: - CVE-2016-9956 - FlightGear - Arbitrary File Write Issue

Entryinfo

Created: 02/23/2017 09:44
Updated: 09/15/2024 06:55
Changes: 02/23/2017 09:44 (76), 08/16/2020 16:10 (3), 09/15/2024 06:55 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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