{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/archive-extraction/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.1,"id":"CVE-2026-43616"}],"_cs_exploited":false,"_cs_products":["Detect-It-Easy (DIE) \u003c 3.21"],"_cs_severities":["high"],"_cs_tags":["path-traversal","vulnerability","archive-extraction"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eDetect-It-Easy (DIE) is a program used to detect file types, unpackers, compilers, and crypto information. Versions prior to 3.21 are susceptible to a path traversal vulnerability (CVE-2026-43616). This vulnerability enables a malicious actor to write arbitrary files to the underlying filesystem by crafting archive entries with relative traversal sequences (e.g., \u0026ldquo;../../\u0026rdquo;) or absolute paths. This can be exploited by attackers by overwriting sensitive system files or user startup scripts, thus leading to persistent code execution. The vulnerability stems from insufficient path normalization during archive extraction.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker crafts a malicious archive (e.g., ZIP, TAR) containing files with path traversal sequences in their filenames or absolute paths.\u003c/li\u003e\n\u003cli\u003eThe user executes Detect-It-Easy and loads the malicious archive for scanning.\u003c/li\u003e\n\u003cli\u003eDetect-It-Easy attempts to extract the files from the archive.\u003c/li\u003e\n\u003cli\u003eDue to insufficient path normalization, the application does not properly sanitize the file paths.\u003c/li\u003e\n\u003cli\u003eThe application writes files outside the intended extraction directory.\u003c/li\u003e\n\u003cli\u003eThe attacker overwrites a user startup script (e.g., .bashrc, .profile) with malicious code.\u003c/li\u003e\n\u003cli\u003eThe user logs in or starts a new shell session.\u003c/li\u003e\n\u003cli\u003eThe malicious code in the startup script executes, granting the attacker persistent access or executing arbitrary commands.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability allows an attacker to write arbitrary files to the filesystem with the privileges of the user running Detect-It-Easy. This could lead to complete system compromise through persistent code execution. The impact includes potential data theft, malware installation, or denial of service. While the number of victims is not specified, any user running a vulnerable version of Detect-It-Easy is at risk.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Detect-It-Easy to version 3.21 or later to patch CVE-2026-43616.\u003c/li\u003e\n\u003cli\u003eImplement the Sigma rule \u0026ldquo;Detect-It-Easy Suspicious Archive Extraction\u0026rdquo; to identify potential exploitation attempts by detecting the execution of Detect-It-Easy with archive files containing path traversal sequences.\u003c/li\u003e\n\u003cli\u003eMonitor file creation events for suspicious file writes outside of expected directories, particularly in user startup script locations, to detect potential exploitation based on file_event logsource.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-02T12:00:00Z","date_published":"2024-01-02T12:00:00Z","id":"/briefs/2024-01-detect-it-easy-path-traversal/","summary":"Detect-It-Easy versions prior to 3.21 are vulnerable to path traversal, allowing attackers to write arbitrary files to the filesystem and potentially achieve code execution by crafting malicious archive entries.","title":"Detect-It-Easy Path Traversal Vulnerability (CVE-2026-43616)","url":"https://feed.craftedsignal.io/briefs/2024-01-detect-it-easy-path-traversal/"}],"language":"en","title":"CraftedSignal Threat Feed — Archive-Extraction","version":"https://jsonfeed.org/version/1.1"}