{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/cpes/cpe2.3omicrosoftwindows_server_2003-x64/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_server_2003:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2003:-:sp1:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_server_2003:-:sp1:*:*:-:*:itanium:*","cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:itanium:*","cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:itanium:*","cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:x64:*","cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:-:*:x86:*","cpe:2.3:o:microsoft:windows_vista:-:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_vista:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:-:*:x64:*","cpe:2.3:o:microsoft:windows_xp:-:-:*:*:professional:*:x64:*","cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*","cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*"],"_cs_cves":[{"id":"CVE-2008-4250"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Windows"],"_cs_severities":["critical"],"_cs_tags":["cve","buffer-overflow","rpc","windows","smbv1"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eCVE-2008-4250 is a critical vulnerability affecting Microsoft Windows. The vulnerability exists within the Windows Server Service and is classified as a buffer overflow. A remote attacker can exploit this flaw by sending a specially crafted RPC request to the target system, triggering a buffer overflow during the process of path canonicalization. Successful exploitation allows the attacker to execute arbitrary code on the compromised system. This vulnerability was disclosed in 2008, and while dated, its presence in CISA\u0026rsquo;s KEV catalog highlights the continued risk it poses if left unpatched.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker identifies a vulnerable Windows system exposing the Server Service.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious RPC request specifically designed to trigger a buffer overflow in the path canonicalization routine.\u003c/li\u003e\n\u003cli\u003eThe attacker sends the crafted RPC request to the target system\u0026rsquo;s Server Service.\u003c/li\u003e\n\u003cli\u003eThe Server Service processes the malicious RPC request, leading to a buffer overflow during path canonicalization.\u003c/li\u003e\n\u003cli\u003eThe buffer overflow overwrites critical memory regions, including the instruction pointer.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the execution flow by redirecting it to attacker-controlled code.\u003c/li\u003e\n\u003cli\u003eThe attacker executes arbitrary code on the system with the privileges of the Server Service.\u003c/li\u003e\n\u003cli\u003eThe attacker establishes persistence, moves laterally within the network, or exfiltrates sensitive data.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2008-4250 allows a remote attacker to execute arbitrary code on the targeted Windows system. This can lead to complete system compromise, including data theft, installation of malware, and disruption of services. Due to the Server Service\u0026rsquo;s role in network communication, a compromised system can serve as a launchpad for further attacks within the network. The impact is significant, potentially affecting numerous organizations still running unpatched Windows systems.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply mitigations per vendor instructions provided in Microsoft Security Bulletin MS08-067 to remediate CVE-2008-4250.\u003c/li\u003e\n\u003cli\u003eFollow applicable BOD 22-01 guidance for cloud services, as mentioned in the advisory, to ensure proper security controls are in place.\u003c/li\u003e\n\u003cli\u003eIf mitigations are unavailable, discontinue use of the affected product to eliminate the risk of exploitation.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026ldquo;Detect CVE-2008-4250 Attempt - Malicious SMBv1 Negotiate Protocol Request\u0026rdquo; to identify potential exploitation attempts via network traffic.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic for suspicious SMBv1 activity originating from or targeting systems running vulnerable versions of Windows.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-20T17:31:21Z","date_published":"2026-05-20T17:31:21Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2008-4250/","summary":"CVE-2008-4250 is a buffer overflow vulnerability in the Microsoft Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request during path canonicalization.","title":"CVE-2008-4250 - Windows Server Service Buffer Overflow Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2008-4250/"}],"language":"en","title":"CraftedSignal Threat Feed — Cpe:2.3:o:microsoft:windows_server_2003:-:*:*:*:*:*:X64:*","version":"https://jsonfeed.org/version/1.1"}