{"id":"CVE-2008-3687","aliases":["EUVD-2008-3673","GHSA-x34x-jj7g-95j8"],"status":"published","title":"Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with...","description":"Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02938,"percentile":0.872,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2008-08-14T22:00:00Z","modified":"2026-06-16T22:56:18Z","products":[{"vendor":"xen","product":"xen"},{"vendor":"xen","product":"xen_flask_module"}],"references":[{"url":"http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/30834","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.nabble.com/-PATCH--XSM--FLASK--Argument-handling-bugs-in-XSM:FLASK-to18536032.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/44608","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/31561","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://invisiblethingslab.com/bh08/part2.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2008/2426","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securitytracker.com/id?1020731","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-3687"},{"url":"https://github.com/advisories/GHSA-x34x-jj7g-95j8"}],"sources":{"cve":[{"id":"CVE-2008-3687","description":"Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.","status":"published","published":"2008-08-14T22:00:00Z","modified":"2024-08-07T09:45:19.131Z","updated_at":"2026-11-02T14:34:45.877751Z"}],"euvd":[{"id":"EUVD-2008-3673","description":"Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.","status":"published","published":"2008-08-14T22:00:00Z","modified":"2024-08-07T09:45:19Z","updated_at":"2026-11-03T01:38:51.310988Z"}],"ghsa":[{"id":"GHSA-x34x-jj7g-95j8","title":"Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with...","description":"Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.","status":"published","published":"2022-05-02T00:02:35Z","modified":"2023-01-31T05:06:19Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:00.544417Z"}],"nvd":[{"id":"CVE-2008-3687","description":"Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.","status":"published","published":"2008-08-14T22:41:00Z","modified":"2026-06-16T22:56:18.84Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:27.800088Z"}]}}