Firejail up to 0.9.44.3 on Linux Sandbox --allow-debuggers access control

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Firejail up to 0.9.44.3 on Linux. It has been classified as problematic. The affected element is an unknown function of the component Sandbox. This manipulation of the argument --allow-debuggers causes access control. This vulnerability is tracked as CVE-2017-5206. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Firejail up to 0.9.44.3 on Linux. It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Sandbox. The manipulation of the argument --allow-debuggers with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Firejail before 0.9.44.4, when running on a Linux kernel before 4.8, allows context-dependent attackers to bypass a seccomp-based sandbox protection mechanism via the --allow-debuggers argument.

The bug was discovered 01/07/2017. The weakness was disclosed 03/23/2017 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2017-5206 since 01/07/2017. Attacking locally is a requirement. The requirement for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96748 (GLSA-201701-62 : Firejail: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 0.9.44.4 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 (96748) and SecurityFocus (BID 97120†). The entries VDB-96782 and VDB-98468 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.0
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96748
Nessus Name: GLSA-201701-62 : Firejail: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firejail 0.9.44.4
Patch: github.com

Timelineinfo

01/07/2017 🔍
01/07/2017 +0 days 🔍
01/24/2017 +17 days 🔍
01/25/2017 +1 days 🔍
03/23/2017 +57 days 🔍
03/23/2017 +0 days 🔍
03/23/2017 +0 days 🔍
03/24/2017 +1 days 🔍
11/15/2022 +2062 days 🔍

Sourcesinfo

Advisory: 6b8dba29d73257311564ee7f27b9b14758cc693e
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5206 (🔍)
GCVE (CVE): GCVE-0-2017-5206
GCVE (VulDB): GCVE-100-98467
SecurityFocus: 97120 - Firejail CVE-2017-5206 Security Bypass Vulnerability
OSVDB: - CVE-2017-5206 - Firejail, Linux - Security Bypass Issue

See also: 🔍

Entryinfo

Created: 03/24/2017 07:37
Updated: 11/15/2022 06:52
Changes: 03/24/2017 07:37 (70), 09/13/2020 09:49 (5), 11/15/2022 06:52 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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