VDB-219796 · CVE-2023-0592 · GCVE-0-2023-0592

jefferson up to 0.4.0 JFFS2 Filesystem Extractor path traversal

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in jefferson up to 0.4.0. Impacted is an unknown function of the component JFFS2 Filesystem Extractor. Executing a manipulation can lead to path traversal. This vulnerability is handled as CVE-2023-0592. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in jefferson up to 0.4.0. It has been declared as critical. This vulnerability affects an unknown part of the component JFFS2 Filesystem Extractor. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A path traversal vulnerability affects jefferson's JFFS2 filesystem extractor. By crafting malicious JFFS2 files, attackers could force jefferson to write outside of the extraction directory.This issue affects jefferson: before 0.4.1.

The weakness was released 01/31/2023. The advisory is shared for download at onekey.com. This vulnerability was named CVE-2023-0592 since 01/31/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 0.4.1 eliminates this vulnerability. Applying the patch 971aca1a8b3b9f4fcb4674fa9621d3349195cdc6 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

jefferson

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

CNA Base Score: 5.5
CNA Vector (ONEKEY GmbH): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: jefferson 0.4.1
Patch: 971aca1a8b3b9f4fcb4674fa9621d3349195cdc6

Timelineinfo

01/31/2023 🔍
01/31/2023 +0 days 🔍
01/31/2023 +0 days 🔍
02/25/2023 +25 days 🔍

Sourcesinfo

Advisory: 971aca1a8b3b9f4fcb4674fa9621d3349195cdc6
Status: Confirmed

CVE: CVE-2023-0592 (🔍)
GCVE (CVE): GCVE-0-2023-0592
GCVE (VulDB): GCVE-100-219796

Entryinfo

Created: 01/31/2023 14:18
Updated: 02/25/2023 15:28
Changes: 01/31/2023 14:18 (51), 02/25/2023 15:28 (1)
Complete: 🔍
Cache ID: 216::103