Untrusted DLL Loading in Synology Hyper Backup Explorer

An inclusion of functionality from untrusted control sphere vulnerability in MinGW DLL component in Synology Hyper Backup Explorer before 3.0.1-0156 allows local users to execute arbitrary code via unspecified vectors.

Casky was already ahead

This CVE exploits attack patterns that Casky's 419matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

CVE-2022-49042 is a local privilege escalation vulnerability affecting Synology Hyper Backup Explorer versions before 3.0.1-0156. The vulnerability exists in the MinGW DLL component and allows attackers to execute arbitrary code through untrusted control sphere inclusion—essentially loading malicious DLLs from untrusted sources. This is particularly dangerous because Hyper Backup Explorer is a backup management tool that often runs with elevated privileges and has access to sensitive backup data. Organizations using vulnerable versions face risks of complete system compromise, data exfiltration, and lateral movement within their infrastructure.

Casky's 419 mapped skills leverage Claude AI's extended reasoning to correlate indicators across MITRE ATT&CK techniques TA0001 (Initial Access), TA0043 (Reconnaissance), and TA0002 (Execution). Practitioners using Casky would observe detection patterns identifying suspicious DLL loading sequences, particularly unsigned or path-traversal-based module imports targeting the MinGW component. The platform flags CWE-829 violations when processes attempt to load libraries from untrusted directories, combined with behavioral indicators of code execution following library load. By mapping these atomic techniques together, Casky helps security teams identify the attack chain before damage occurs—from initial file placement through execution—enabling faster incident response and threat hunting against this specific vulnerability class.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

419 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2022-49042.

analyzing-android-malware-with-apktool

malware analysis · medium

Run

analyzing-apt-group-with-mitre-navigator

threat intelligence · low

Run

analyzing-bootkit-and-rootkit-samples

malware analysis · medium

Run

MITRE ATT&CK Techniques

TA0001 TA0043 TA0002

Investigate the attack patterns behind CVE-2022-49042

Casky has 419 skills that investigate the attack patterns behind CVE-2022-49042. Run one and get CVSS-scored findings in 3 minutes.

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