{"id":"CVE-2017-1000372","aliases":["EUVD-2017-1531","GHSA-gp6p-rm22-rp7w"],"status":"published","title":"A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass...","description":"A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03955,"percentile":0.90501,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2017-06-19T16:00:00Z","modified":"2026-06-17T00:59:03Z","products":[{"vendor":"openbsd","product":"openbsd"}],"references":[{"url":"https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/99172","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-1000372"},{"url":"https://github.com/advisories/GHSA-gp6p-rm22-rp7w"}],"sources":{"cve":[{"id":"CVE-2017-1000372","description":"A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.","status":"published","published":"2017-06-19T16:00:00Z","modified":"2024-08-05T22:00:41.079Z","updated_at":"2026-11-02T14:33:20.843976Z"}],"euvd":[{"id":"EUVD-2017-1531","description":"A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.","status":"published","published":"2017-06-19T16:00:00Z","modified":"2024-08-05T22:00:41Z","updated_at":"2026-11-03T02:23:03.159581Z"}],"ghsa":[{"id":"GHSA-gp6p-rm22-rp7w","title":"A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass...","description":"A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.","status":"published","published":"2022-05-13T01:41:13Z","modified":"2023-02-02T05:00:40Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:51:00.787712Z"}],"nvd":[{"id":"CVE-2017-1000372","description":"A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.","status":"published","published":"2017-06-19T16:29:00.453Z","modified":"2026-06-17T00:59:03.1Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:03:50.782497Z"}]}}