{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2021-05-04T17:06:36.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"tags":["x_refsource_MISC"],"url":"https://www.openbsd.org/security.html"},{"tags":["x_refsource_MISC"],"url":"https://www.openwall.com/lists/oss-security/2020/02/24/5"},{"name":"[oss-security] 20200226 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2020/02/26/1"},{"name":"DSA-4634","tags":["vendor-advisory","x_refsource_DEBIAN"],"url":"https://www.debian.org/security/2020/dsa-4634"},{"name":"20200227 LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","tags":["mailing-list","x_refsource_FULLDISC"],"url":"http://seclists.org/fulldisclosure/2020/Feb/32"},{"name":"[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2020/03/01/1"},{"name":"[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2020/03/01/2"},{"tags":["x_refsource_MISC"],"url":"http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html"},{"name":"FEDORA-2020-b92d7083ca","tags":["vendor-advisory","x_refsource_FEDORA"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/"},{"name":"USN-4294-1","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/4294-1/"},{"name":"[oss-security] 20210504 21Nails: Multiple vulnerabilities in Exim","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2021/05/04/7"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-8794","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":"OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.openbsd.org/security.html","refsource":"MISC","url":"https://www.openbsd.org/security.html"},{"name":"https://www.openwall.com/lists/oss-security/2020/02/24/5","refsource":"MISC","url":"https://www.openwall.com/lists/oss-security/2020/02/24/5"},{"name":"[oss-security] 20200226 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2020/02/26/1"},{"name":"DSA-4634","refsource":"DEBIAN","url":"https://www.debian.org/security/2020/dsa-4634"},{"name":"20200227 LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","refsource":"FULLDISC","url":"http://seclists.org/fulldisclosure/2020/Feb/32"},{"name":"[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2020/03/01/1"},{"name":"[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2020/03/01/2"},{"name":"http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html","refsource":"MISC","url":"http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html"},{"name":"FEDORA-2020-b92d7083ca","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/"},{"name":"USN-4294-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/4294-1/"},{"name":"[oss-security] 20210504 21Nails: Multiple vulnerabilities in Exim","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2021/05/04/7"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T10:12:10.566Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.openbsd.org/security.html"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.openwall.com/lists/oss-security/2020/02/24/5"},{"name":"[oss-security] 20200226 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2020/02/26/1"},{"name":"DSA-4634","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"],"url":"https://www.debian.org/security/2020/dsa-4634"},{"name":"20200227 LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"],"url":"http://seclists.org/fulldisclosure/2020/Feb/32"},{"name":"[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2020/03/01/1"},{"name":"[oss-security] 20200301 Re: LPE and RCE in OpenSMTPD's default install (CVE-2020-8794)","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2020/03/01/2"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html"},{"name":"FEDORA-2020-b92d7083ca","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/"},{"name":"USN-4294-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"https://usn.ubuntu.com/4294-1/"},{"name":"[oss-security] 20210504 21Nails: Multiple vulnerabilities in Exim","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2021/05/04/7"}]}]},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2020-8794","datePublished":"2020-02-25T16:38:07.000Z","dateReserved":"2020-02-07T00:00:00.000Z","dateUpdated":"2024-08-04T10:12:10.566Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}