{"id":"CVE-2011-1431","state":"PUBLISHED","title":"The STARTTLS implementation in qmail-smtpd.c in qmail-smtpd in the netqmail-1.06-tls patch for netqmail 1.06 does not properly restrict I/O buffering, which allows man-in-the-middl","description":"The STARTTLS implementation in qmail-smtpd.c in qmail-smtpd in the netqmail-1.06-tls patch for netqmail 1.06 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411.","publishedAt":"2011-03-16T22:00:00.000Z","updatedAt":"2024-08-06T22:28:40.837Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://exchange.xforce.ibmcloud.com/vulnerabilities/65932","http://www.kb.cert.org/vuls/id/MAPG-8D9M5Q","http://inoa.net/qmail-tls/vu555316.patch","http://www.postfix.org/CVE-2011-0411.html","http://www.vupen.com/english/advisories/2011/0612","http://www.securityfocus.com/bid/46767","http://www.kb.cert.org/vuls/id/555316","http://www.securityfocus.com/archive/1/516901","http://securityreason.com/securityalert/8144"],"weaknesses":[],"ingestedAt":"2026-10-29T19:39:55.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2011/1xxx/CVE-2011-1431.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2011-1431","state":"PUBLISHED","datePublished":"2011-03-16T22:00:00.000Z","dateUpdated":"2024-08-06T22:28:40.837Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2011-03-16T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The STARTTLS implementation in qmail-smtpd.c in qmail-smtpd in the netqmail-1.06-tls patch for netqmail 1.06 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65932","name":"multiple-starttls-command-execution(65932)","tags":["vdb-entry","x_refsource_XF"]},{"url":"http://www.kb.cert.org/vuls/id/MAPG-8D9M5Q","tags":["x_refsource_MISC"]},{"url":"http://inoa.net/qmail-tls/vu555316.patch","tags":["x_refsource_CONFIRM"]},{"url":"http://www.postfix.org/CVE-2011-0411.html","tags":["x_refsource_MISC"]},{"url":"http://www.vupen.com/english/advisories/2011/0612","name":"ADV-2011-0612","tags":["vdb-entry","x_refsource_VUPEN"]},{"url":"http://www.securityfocus.com/bid/46767","name":"46767","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://www.kb.cert.org/vuls/id/555316","name":"VU#555316","tags":["third-party-advisory","x_refsource_CERT-VN"]},{"url":"http://www.securityfocus.com/archive/1/516901","name":"20110307 Plaintext injection in STARTTLS (multiple implementations)","tags":["mailing-list","x_refsource_BUGTRAQ"]},{"url":"http://securityreason.com/securityalert/8144","name":"8144","tags":["third-party-advisory","x_refsource_SREASON"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2017-08-16T14:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2011-03-03T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2011-1431","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The STARTTLS implementation in qmail-smtpd.c in qmail-smtpd in the netqmail-1.06-tls patch for netqmail 1.06 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a \"plaintext command injection\" attack, a similar issue to CVE-2011-0411."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"multiple-starttls-command-execution(65932)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65932"},{"name":"http://www.kb.cert.org/vuls/id/MAPG-8D9M5Q","refsource":"MISC","url":"http://www.kb.cert.org/vuls/id/MAPG-8D9M5Q"},{"name":"http://inoa.net/qmail-tls/vu555316.patch","refsource":"CONFIRM","url":"http://inoa.net/qmail-tls/vu555316.patch"},{"name":"http://www.postfix.org/CVE-2011-0411.html","refsource":"MISC","url":"http://www.postfix.org/CVE-2011-0411.html"},{"name":"ADV-2011-0612","refsource":"VUPEN","url":"http://www.vupen.com/english/advisories/2011/0612"},{"name":"46767","refsource":"BID","url":"http://www.securityfocus.com/bid/46767"},{"name":"VU#555316","refsource":"CERT-VN","url":"http://www.kb.cert.org/vuls/id/555316"},{"name":"20110307 Plaintext injection in STARTTLS (multiple implementations)","refsource":"BUGTRAQ","url":"http://www.securityfocus.com/archive/1/516901"},{"name":"8144","refsource":"SREASON","url":"http://securityreason.com/securityalert/8144"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65932","name":"multiple-starttls-command-execution(65932)","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/MAPG-8D9M5Q","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://inoa.net/qmail-tls/vu555316.patch","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.postfix.org/CVE-2011-0411.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2011/0612","name":"ADV-2011-0612","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/bid/46767","name":"46767","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/555316","name":"VU#555316","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/516901","name":"20110307 Plaintext injection in STARTTLS (multiple implementations)","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://securityreason.com/securityalert/8144","name":"8144","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T22:28:40.837Z"}}]}}}