UBI Reader up to 0.8.0 UBIFS File output.py ubireader_extract_files path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.02

A vulnerability, which was classified as problematic, has been found in UBI Reader up to 0.8.0. Affected by this issue is the function ubireader_extract_files of the file ubireader/ubifs/output.py of the component UBIFS File Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The software 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 software 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. Impacted is integrity, and availability.

The weakness was released 12/16/2022 as 57. The advisory is available at github.com. This vulnerability is handled as CVE-2022-4572. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 0.8.5 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch d5d68e6b1b9f7070c29df5f67fc060f579ae9139 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.

Productinfo

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔒

CNA Base Score: 5.4
CNA Vector (VulDB): 🔒

CVSSv2info

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

Exploitinginfo

Class: Path traversal
CWE: CWE-22
ATT&CK: T1006

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: UBI Reader 0.8.5
Patch: d5d68e6b1b9f7070c29df5f67fc060f579ae9139

Timelineinfo

12/16/2022 Advisory disclosed
12/16/2022 +0 days CVE reserved
12/16/2022 +0 days VulDB entry created
01/14/2023 +29 days VulDB last update

Sourcesinfo

Advisory: 57
Status: Confirmed

CVE: CVE-2022-4572 (🔒)

Entryinfo

Created: 12/16/2022 10:12 PM
Updated: 01/14/2023 02:07 PM
Changes: 12/16/2022 10:12 PM (40), 12/16/2022 10:14 PM (4), 01/14/2023 02:01 PM (2), 01/14/2023 02:07 PM (21)
Complete: 🔍

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