ChangingTech MegaServiSignAdapter path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability, which was classified as critical, was found in ChangingTech MegaServiSignAdapter (version unknown). Affected is some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. CVE summarizes:

ChangingTech MegaServiSignAdapter component has a path traversal vulnerability within its file reading function. An unauthenticated remote attacker can exploit this vulnerability to access arbitrary system files.

The weakness was disclosed 01/31/2023. The advisory is shared for download at twcert.org.tw. This vulnerability is traded as CVE-2022-39059 since 08/31/2022. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/31/2023). The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Vendor

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CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

CNA Base Score: 7.5
CNA Vector (TWCERT/CC): 🔒

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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/31/2022 CVE reserved
01/31/2023 +153 days Advisory disclosed
01/31/2023 +0 days VulDB entry created
01/31/2023 +0 days VulDB last update

Sourcesinfo

Advisory: twcert.org.tw
Status: Not defined

CVE: CVE-2022-39059 (🔒)

Entryinfo

Created: 01/31/2023 02:13 PM
Changes: 01/31/2023 02:13 PM (46)
Complete: 🔍

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