{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/vendors/allok-soft/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":8.4,"id":"CVE-2018-25314"}],"_cs_exploited":false,"_cs_products":["WMV to AVI MPEG DVD WMV Converter 4.6.1217"],"_cs_severities":["high"],"_cs_tags":["buffer-overflow","code-execution","cve-2018-25314"],"_cs_type":"advisory","_cs_vendors":["Allok Soft"],"content_html":"\u003cp\u003eAllok Soft WMV to AVI MPEG DVD WMV Converter version 4.6.1217 is susceptible to a buffer overflow vulnerability (CVE-2018-25314). This vulnerability allows a local attacker to execute arbitrary code on a targeted system. The attack vector involves supplying an overly long string to the \u0026ldquo;License Name\u0026rdquo; field of the application, triggering the buffer overflow. Successful exploitation allows attackers to inject and execute shellcode within the context of the application, potentially leading to privilege escalation and complete system compromise. This vulnerability was reported in April 2026.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker crafts a malicious input string containing shellcode.\u003c/li\u003e\n\u003cli\u003eThe malicious string is designed to overwrite the Structured Exception Handler (SEH).\u003c/li\u003e\n\u003cli\u003eAttacker opens Allok Soft WMV to AVI MPEG DVD WMV Converter 4.6.1217.\u003c/li\u003e\n\u003cli\u003eAttacker inputs the crafted string into the \u0026ldquo;License Name\u0026rdquo; field within the application\u0026rsquo;s interface.\u003c/li\u003e\n\u003cli\u003eThe application attempts to process the oversized input, triggering a buffer overflow.\u003c/li\u003e\n\u003cli\u003eThe overflow overwrites the SEH with a pointer to the attacker-controlled shellcode.\u003c/li\u003e\n\u003cli\u003eAn exception is triggered within the application.\u003c/li\u003e\n\u003cli\u003eThe SEH handler is invoked, redirecting execution flow to the injected shellcode, enabling arbitrary code execution.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2018-25314 allows a local attacker to execute arbitrary code with the privileges of the Allok Soft WMV to AVI MPEG DVD WMV Converter application. This could lead to sensitive data theft, installation of malware, or complete system compromise. While specific victim counts are unavailable, any system running the vulnerable software is at risk.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor process creations for \u003ccode\u003ewmvconverter.exe\u003c/code\u003e spawning unusual child processes using the \u003ccode\u003eAlloksoft WMV Converter Spawning Suspicious Process\u003c/code\u003e Sigma rule.\u003c/li\u003e\n\u003cli\u003eMonitor for unexpected registry modifications performed by \u003ccode\u003ewmvconverter.exe\u003c/code\u003e using the \u003ccode\u003eAlloksoft WMV Converter Registry Modification\u003c/code\u003e Sigma rule.\u003c/li\u003e\n\u003cli\u003eConsider removing Allok Soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 from systems where it is not essential, as no patch is available.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-29T20:16:27Z","date_published":"2026-04-29T20:16:27Z","id":"/briefs/2026-04-alloksoft-buffer-overflow/","summary":"Allok Soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 is vulnerable to a buffer overflow, allowing local attackers to execute arbitrary code via a crafted License Name field.","title":"Allok Soft WMV Converter Buffer Overflow Vulnerability (CVE-2018-25314)","url":"https://feed.craftedsignal.io/briefs/2026-04-alloksoft-buffer-overflow/"},{"_cs_actors":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2018-25302"}],"_cs_exploited":false,"_cs_products":["Allok AVI to DVD SVCD VCD Converter 4.0.1217"],"_cs_severities":["high"],"_cs_tags":["buffer-overflow","seh","cve-2018-25302"],"_cs_type":"advisory","_cs_vendors":["Allok Soft"],"content_html":"\u003cp\u003eAllok AVI to DVD SVCD VCD Converter version 4.0.1217 is susceptible to a structured exception handling (SEH) based buffer overflow vulnerability. This vulnerability enables a local attacker to execute arbitrary code by crafting a specific payload. The attack involves providing a malicious string in the License Name field of the application. This can be exploited without requiring any prior authentication, making it a significant security concern for systems running the vulnerable software. The vulnerability was reported on April 29, 2026.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker prepares a malicious string payload consisting of junk data, an NSEH bypass, an SEH handler address, and shellcode.\u003c/li\u003e\n\u003cli\u003eThe attacker opens the Allok AVI to DVD SVCD VCD Converter application.\u003c/li\u003e\n\u003cli\u003eThe attacker navigates to the registration or license activation section of the software.\u003c/li\u003e\n\u003cli\u003eThe attacker pastes the malicious string into the License Name field.\u003c/li\u003e\n\u003cli\u003eThe attacker clicks the \u0026ldquo;Register\u0026rdquo; button, triggering the buffer overflow.\u003c/li\u003e\n\u003cli\u003eThe overflow overwrites the SEH frame, redirecting execution flow to the attacker-controlled NSEH bypass.\u003c/li\u003e\n\u003cli\u003eThe NSEH bypass redirects execution to the SEH handler address, which points to the attacker\u0026rsquo;s shellcode.\u003c/li\u003e\n\u003cli\u003eThe shellcode executes, allowing the attacker to run arbitrary code on the system.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this buffer overflow vulnerability allows a local attacker to execute arbitrary code with the privileges of the user running the Allok AVI to DVD SVCD VCD Converter. This could lead to complete system compromise, data theft, or installation of malware. Given the ease of exploitation (no authentication required, local access only) this poses a significant risk to systems with the vulnerable software installed.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eAllok AVI Converter SEH Buffer Overflow\u003c/code\u003e to detect exploitation attempts based on process creation events.\u003c/li\u003e\n\u003cli\u003eMonitor for abnormal process execution originating from the Allok AVI to DVD SVCD VCD Converter application to identify potential exploitation (process_creation).\u003c/li\u003e\n\u003cli\u003eConsider removing the Allok AVI to DVD SVCD VCD Converter 4.0.1217 until a patch is available, due to the high severity and ease of exploitation.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-29T20:16:25Z","date_published":"2026-04-29T20:16:25Z","id":"/briefs/2026-04-allok-buffer-overflow/","summary":"Allok AVI to DVD SVCD VCD Converter 4.0.1217 is vulnerable to a SEH-based buffer overflow, allowing local attackers to execute arbitrary code by providing a malicious string in the License Name field.","title":"Allok AVI to DVD SVCD VCD Converter Buffer Overflow Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-04-allok-buffer-overflow/"}],"language":"en","title":"CraftedSignal Threat Feed — Allok Soft","version":"https://jsonfeed.org/version/1.1"}