{"id":"CVE-2017-11757","aliases":["EUVD-2017-3367","GHSA-2rvr-836w-4qqv"],"status":"published","title":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to...","description":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to execute arbitrary code via crafted traffic to TCP port 1583. The overflow occurs after Server-Client encryption-key exchange. The issue results from an integer underflow that leads to a zero-byte allocation. The _srvLnaConnectMP1 function is affected.","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":"2026-11-07","score":0.02494,"percentile":0.84761,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2017-07-31T14:00:00Z","modified":"2026-06-17T01:02:19Z","products":[{"vendor":"actian","product":"pervasive_psql"},{"vendor":"actian","product":"zen"}],"references":[{"url":"http://supportservices.actian.com/support-services/security-center#announcements","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://twitter.com/SecuriTeam_SSD/status/815567538318954496","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://blogs.securiteam.com/index.php/archives/2924","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11757"},{"url":"https://github.com/advisories/GHSA-2rvr-836w-4qqv"}],"sources":{"cve":[{"id":"CVE-2017-11757","description":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to execute arbitrary code via crafted traffic to TCP port 1583. The overflow occurs after Server-Client encryption-key exchange. The issue results from an integer underflow that leads to a zero-byte allocation. The _srvLnaConnectMP1 function is affected.","status":"published","published":"2017-07-31T14:00:00Z","modified":"2024-09-17T02:00:34.15Z","updated_at":"2026-11-02T14:33:20.171335Z"}],"euvd":[{"id":"EUVD-2017-3367","description":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to execute arbitrary code via crafted traffic to TCP port 1583. The overflow occurs after Server-Client encryption-key exchange. The issue results from an integer underflow that leads to a zero-byte allocation. The _srvLnaConnectMP1 function is affected.","status":"published","published":"2017-07-31T14:00:00Z","modified":"2024-09-17T02:00:34Z","updated_at":"2026-11-03T00:28:44.789987Z"}],"ghsa":[{"id":"GHSA-2rvr-836w-4qqv","title":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to...","description":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to execute arbitrary code via crafted traffic to TCP port 1583. The overflow occurs after Server-Client encryption-key exchange. The issue results from an integer underflow that leads to a zero-byte allocation. The _srvLnaConnectMP1 function is affected.","status":"published","published":"2022-05-13T01:42:31Z","modified":"2023-02-02T05:00:48Z","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"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:51:02.804004Z"}],"nvd":[{"id":"CVE-2017-11757","description":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to execute arbitrary code via crafted traffic to TCP port 1583. The overflow occurs after Server-Client encryption-key exchange. The issue results from an integer underflow that leads to a zero-byte allocation. The _srvLnaConnectMP1 function is affected.","status":"published","published":"2017-07-31T14:29:00.19Z","modified":"2026-06-17T01:02:19.28Z","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"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:03:54.862898Z"}]}}