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"2020-07-08T23:42:24", "bulletinFamily": "unix", "cvelist": ["CVE-2019-11499", "CVE-2019-11494"], "description": "It was discovered that the Dovecot Submission login service incorrectly \nhandled certain operations. A remote attacker could possibly use this issue \nto cause Dovecot to crash, resulting in a denial of service.", "edition": 4, "modified": "2019-04-30T00:00:00", "published": "2019-04-30T00:00:00", "id": "USN-3961-1", "href": "https://ubuntu.com/security/notices/USN-3961-1", "title": "Dovecot vulnerabilities", "type": "ubuntu", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2020-07-09T00:33:50", "bulletinFamily": "unix", "cvelist": ["CVE-2019-10691"], "description": "It was discovered that the Dovecot JSON encoder incorrectly handled certain \ninvalid UTF-8 characters. A remote attacker could possibly use this issue \nto cause Dovecot to repeatedly crash, resulting in a denial of service.", "edition": 4, "modified": "2019-04-23T00:00:00", "published": "2019-04-23T00:00:00", "id": "USN-3951-1", "href": "https://ubuntu.com/security/notices/USN-3951-1", "title": "Dovecot vulnerability", "type": "ubuntu", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2020-07-02T11:38:04", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524"], "description": "It was discovered that Dovecot incorrectly handled reading certain headers \nfrom the index. A local attacker could possibly use this issue to escalate \nprivileges.", "edition": 3, "modified": "2019-04-01T00:00:00", "published": "2019-04-01T00:00:00", "id": "USN-3928-1", "href": "https://ubuntu.com/security/notices/USN-3928-1", "title": "Dovecot vulnerability", "type": "ubuntu", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "archlinux": [{"lastseen": "2020-09-22T18:36:40", "bulletinFamily": "unix", "cvelist": ["CVE-2019-11494", "CVE-2019-11499"], "description": "Arch Linux Security Advisory ASA-201905-6\n=========================================\n\nSeverity: Medium\nDate : 2019-05-06\nCVE-ID : CVE-2019-11494 CVE-2019-11499\nPackage : dovecot\nType : denial of service\nRemote : Yes\nLink : https://security.archlinux.org/AVG-954\n\nSummary\n=======\n\nThe package dovecot before version 2.3.6-1 is vulnerable to denial of\nservice.\n\nResolution\n==========\n\nUpgrade to 2.3.6-1.\n\n# pacman -Syu \"dovecot>=2.3.6-1\"\n\nThe problems have been fixed upstream in version 2.3.6.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2019-11494 (denial of service)\n\nSubmission-login crashes with signal 11 due to null pointer access when\nauthentication is aborted by disconnecting. This can lead to denial-of\nservice attack by persistent attacker(s).\n\n- CVE-2019-11499 (denial of service)\n\nSubmission-login crashes when authentication is started over TLS\nsecured channel and invalid authentication message is sent. This can\nlead to denial-of-service attack by persistent attacker(s).\n\nImpact\n======\n\nA remote attacker is able to cause a denial of service by sending\ninvalid authentication messages or aborting the authentication process.\n\nReferences\n==========\n\nhttps://dovecot.org/doc/NEWS-2.3\nhttps://www.mail-archive.com/fulldisclosure@seclists.org/msg06126.html\nhttps://dovecot.org/pipermail/dovecot/2019-April/115757.html\nhttps://dovecot.org/pipermail/dovecot/2019-April/115758.html\nhttps://security.archlinux.org/CVE-2019-11494\nhttps://security.archlinux.org/CVE-2019-11499", "modified": "2019-05-06T00:00:00", "published": "2019-05-06T00:00:00", "id": "ASA-201905-6", "href": "https://security.archlinux.org/ASA-201905-6", "type": "archlinux", "title": "[ASA-201905-6] dovecot: denial of service", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2020-09-22T18:36:40", "bulletinFamily": "unix", "cvelist": ["CVE-2019-10691"], "description": "Arch Linux Security Advisory ASA-201904-9\n=========================================\n\nSeverity: Medium\nDate : 2019-04-18\nCVE-ID : CVE-2019-10691\nPackage : dovecot\nType : denial of service\nRemote : Yes\nLink : https://security.archlinux.org/AVG-950\n\nSummary\n=======\n\nThe package dovecot before version 2.3.5.2-1 is vulnerable to denial of\nservice.\n\nResolution\n==========\n\nUpgrade to 2.3.5.2-1.\n\n# pacman -Syu \"dovecot>=2.3.5.2-1\"\n\nThe problem has been fixed upstream in version 2.3.5.2.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\nJSON encoder in Dovecot 2.3 incorrectly assert-crashes when encountering\ninvalid UTF-8 characters. This can be used to crash dovecot in two\nways. Attacker can repeatedly crash Dovecot authentication process by\nlogging in using invalid UTF-8 sequence in username. This requires that\nauth policy is enabled. Crash can also occur if OX push notification\ndriver is enabled and an email is delivered with invalid UTF-8 sequence\nin From or Subject header. In 2.2, malformed UTF-8 sequences are\nforwarded \"as-is\", and thus do not cause problems in Dovecot itself.\nTarget systems should be checked for possible problems in dealing with\nsuch sequences.\n\nImpact\n======\n\nAn attacker is able to crash the dovecot process by making it process a\nusername or email containing an unsupported UTF-8 sequence.\n\nReferences\n==========\n\nhttps://wiki.dovecot.org/Authentication/Policy\nhttps://security.archlinux.org/CVE-2019-10691", "modified": "2019-04-18T00:00:00", "published": "2019-04-18T00:00:00", "id": "ASA-201904-9", "href": "https://security.archlinux.org/ASA-201904-9", "type": "archlinux", "title": "[ASA-201904-9] dovecot: denial of service", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2020-09-22T18:36:40", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524"], "description": "Arch Linux Security Advisory ASA-201903-16\n==========================================\n\nSeverity: High\nDate : 2019-03-28\nCVE-ID : CVE-2019-7524\nPackage : dovecot\nType : privilege escalation\nRemote : No\nLink : https://security.archlinux.org/AVG-944\n\nSummary\n=======\n\nThe package dovecot before version 2.3.5.1-1 is vulnerable to privilege\nescalation.\n\nResolution\n==========\n\nUpgrade to 2.3.5.1-1.\n\n# pacman -Syu \"dovecot>=2.3.5.1-1\"\n\nThe problem has been fixed upstream in version 2.3.5.1.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\nA stack-based buffer overflow has been found in Dovecot versions prior\nto 2.3.5.1. When reading FTS or POP3-UIDL header from dovecot index,\nthe input buffer size is not bound, and data is copied to target\nstructure causing stack overflow. This can be used for local root\nprivilege escalation or executing arbitrary code in dovecot process\ncontext. This requires ability to directly modify dovecot indexes.\n\nImpact\n======\n\nA local attacker with the ability to alter FTS or POP3-UIDL files can\nescalate privileges to root.\n\nReferences\n==========\n\nhttps://seclists.org/oss-sec/2019/q1/197\nhttps://dovecot.org/pipermail/dovecot/2019-March/115296.html\nhttps://github.com/dovecot/core/commit/79679674eb6d2c7d38f2537e613efc103058dff1\nhttps://github.com/dovecot/core/commit/d79845350e0754f5e25c41bd56591ddd5b0a35fd\nhttps://security.archlinux.org/CVE-2019-7524", "modified": "2019-03-28T00:00:00", "published": "2019-03-28T00:00:00", "id": "ASA-201903-16", "href": "https://security.archlinux.org/ASA-201903-16", "type": "archlinux", "title": "[ASA-201903-16] dovecot: privilege escalation", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2020-09-22T18:36:40", "bulletinFamily": "unix", "cvelist": ["CVE-2019-3814"], "description": "Arch Linux Security Advisory ASA-201902-1\n=========================================\n\nSeverity: High\nDate : 2019-02-06\nCVE-ID : CVE-2019-3814\nPackage : dovecot\nType : authentication bypass\nRemote : Yes\nLink : https://security.archlinux.org/AVG-872\n\nSummary\n=======\n\nThe package dovecot before version 2.3.4.1-1 is vulnerable to\nauthentication bypass.\n\nResolution\n==========\n\nUpgrade to 2.3.4.1-1.\n\n# pacman -Syu \"dovecot>=2.3.4.1-1\"\n\nThe problem has been fixed upstream in version 2.3.4.1.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\nA vulnerability has been found in Dovecot versions prior to 2.3.4.1,\nallowing a remote client in possession of a trusted SSL certificate to\nlog in as any user, in some configurations.\nThis affects only installations using auth_ssl_require_client_cert =\nyes and auth_ssl_username_from_cert = yes, and the the attacker might\nhave access to a trusted certificate without the\nssl_cert_username_field (default to commonName) set in it.\n\nImpact\n======\n\nA remote client in possession of a trusted SSL certificate might be\nable to log in as any user.\n\nReferences\n==========\n\nhttps://www.dovecot.org/pipermail/dovecot/2019-February/114575.html\nhttps://github.com/dovecot/core/commit/61471a5c42528090cffcca9bceded316746637b7\nhttps://security.archlinux.org/CVE-2019-3814", "modified": "2019-02-06T00:00:00", "published": "2019-02-06T00:00:00", "id": "ASA-201902-1", "href": "https://security.archlinux.org/ASA-201902-1", "type": "archlinux", "title": "[ASA-201902-1] dovecot: authentication bypass", "cvss": {"score": 4.9, "vector": "AV:N/AC:M/Au:S/C:P/I:P/A:N"}}], "freebsd": [{"lastseen": "2019-05-29T18:31:44", "bulletinFamily": "unix", "cvelist": ["CVE-2019-11499", "CVE-2019-11494"], "description": "\nAki Tuomi reports:\n\nSubmission-login crashes with signal 11 due to null pointer access when authentication is aborted by disconnecting. This can lead to denial-of-service attack by persistent attacker(s).\n\nAki Tuomi reports:\n\nSubmission-login crashes when authentication is started over TLS secured channel and invalid authentication message is sent. This can lead to denial-of-service attack by persistent attacker(s).\n\n", "edition": 4, "modified": "2019-03-11T00:00:00", "published": "2019-03-11T00:00:00", "id": "3F98CCB3-6B8A-11E9-9B5C-A4BADB296695", "href": "https://vuxml.freebsd.org/freebsd/3f98ccb3-6b8a-11e9-9b5c-a4badb296695.html", "title": "Dovecot -- Multiple vulnerabilities", "type": "freebsd", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2019-05-29T18:31:44", "bulletinFamily": "unix", "cvelist": ["CVE-2019-10691"], "description": "\nAki Tuomi reports:\n\n* CVE-2019-10691: Trying to login with 8bit username containing\n invalid UTF8 input causes auth process to crash if auth policy is\n enabled. This could be used rather easily to cause a DoS. Similar\n crash also happens during mail delivery when using invalid UTF8 in\n From or Subject header when OX push notification driver is used.\n\n", "edition": 4, "modified": "2019-05-26T00:00:00", "published": "2019-04-09T00:00:00", "id": "A64AA22F-61EC-11E9-85B9-A4BADB296695", "href": "https://vuxml.freebsd.org/freebsd/a64aa22f-61ec-11e9-85b9-a4badb296695.html", "title": "dovecot -- json encoder crash", "type": "freebsd", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2019-05-29T18:31:45", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524"], "description": "\nAki Tuomi reports:\n\nVulnerability Details:\nWhen reading FTS or POP3-UIDL header from dovecot index, the input\nbuffer size is not bound, and data is copied to target structure causing\nstack overflow.\n\nRisk:\nThis can be used for local root privilege escalation or executing\narbitrary code in dovecot process context. This requires ability to\ndirectly modify dovecot indexes.\nSteps to reproduce:\nProduce dovecot.index.log entry that creates an FTS header which has\nmore than 12 bytes of data.\nTrigger dovecot indexer-worker or run doveadm index.\nDovecot will crash.\n\nMitigations:\nSince 2.3.0 dovecot has been compiled with stack smash protection, ASLR,\nread-only GOT tables and other techniques that make exploiting this bug\nmuch harder.\n\n", "edition": 3, "modified": "2019-02-05T00:00:00", "published": "2019-02-05T00:00:00", "id": "7862213C-5152-11E9-8B26-A4BADB296695", "href": "https://vuxml.freebsd.org/freebsd/7862213c-5152-11e9-8b26-a4badb296695.html", "title": "dovecot -- Buffer overflow reading extension header", "type": "freebsd", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2019-05-29T18:31:46", "bulletinFamily": "unix", "cvelist": ["CVE-2019-3814"], "description": "\nAki Tuomi (Open-Xchange Oy) reports:\n\nNormally Dovecot is configured to authenticate\nimap/pop3/managesieve/submission clients using regular username/password\ncombination. Some installations have also required clients to present a\ntrusted SSL certificate on top of that. It's also possible to configure\nDovecot to take the username from the certificate instead of from the\nuser provided authentication. It's also possible to avoid having a\npassword at all, only trusting the SSL certificate.\n\nIf the provided trusted SSL certificate is missing the username field,\nDovecot should be failing the authentication. However, the earlier\nversions will take the username from the user provided authentication\nfields (e.g. LOGIN command). If there is no additional password\nverification, this allows the attacker to login as anyone else in the\nsystem.\n\nThis affects only installations using:\n\nauth_ssl_require_client_cert = yes\nauth_ssl_username_from_cert = yes\n\nAttacker must also have access to a valid trusted certificate without\nthe ssl_cert_username_field in it. The default is commonName, which\nalmost certainly exists in all certificates. This could happen for\nexample if ssl_cert_username_field is a field that normally doesn't\nexist, and attacker has access to a web server's certificate (and key),\nwhich is signed with the same CA.\n\nAttack can be migitated by having the certificates with proper Extended\nKey Usage, such as 'TLS Web Server' and 'TLS Web Server Client'.\n\nAlso, ssl_cert_username_field setting was ignored with external SMTP\nAUTH, because none of the MTAs (Postfix, Exim) currently send the\ncert_username field. This may have allowed users with trusted\ncertificate to specify any username in the authentication. This does not\napply to Dovecot Submission service.\n\n", "edition": 3, "modified": "2019-01-16T00:00:00", "published": "2019-01-16T00:00:00", "id": "1340FCC1-2953-11E9-BC44-A4BADB296695", "href": "https://vuxml.freebsd.org/freebsd/1340fcc1-2953-11e9-bc44-a4badb296695.html", "title": "mail/dovecot -- Suitable client certificate can be used to login as other user", "type": "freebsd", "cvss": {"score": 4.9, "vector": "AV:N/AC:M/Au:S/C:P/I:P/A:N"}}], "centos": [{"lastseen": "2020-04-08T22:41:52", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524", "CVE-2019-3814"], "description": "**CentOS Errata and Security Advisory** CESA-2020:1062\n\n\nDovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. \n\nSecurity Fix(es):\n\n* dovecot: Improper certificate validation (CVE-2019-3814)\n\n* dovecot: Buffer overflow in indexer-worker process results in privilege escalation (CVE-2019-7524)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.\n\n**Merged security bulletin from advisories:**\nhttp://lists.centos.org/pipermail/centos-cr-announce/2020-April/012433.html\n\n**Affected packages:**\ndovecot\ndovecot-devel\ndovecot-mysql\ndovecot-pgsql\ndovecot-pigeonhole\n\n**Upstream details at:**\n", "edition": 1, "modified": "2020-04-08T17:53:35", "published": "2020-04-08T17:53:35", "id": "CESA-2020:1062", "href": "http://lists.centos.org/pipermail/centos-cr-announce/2020-April/012433.html", "title": "dovecot security update", "type": "centos", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "amazon": [{"lastseen": "2020-11-10T12:34:49", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524", "CVE-2019-3814"], "description": "**Issue Overview:**\n\nIn Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components. ([CVE-2019-7524 __](<https://access.redhat.com/security/cve/CVE-2019-7524>))\n\nIt was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users. ([CVE-2019-3814 __](<https://access.redhat.com/security/cve/CVE-2019-3814>))\n\n \n**Affected Packages:** \n\n\ndovecot\n\n \n**Issue Correction:** \nRun _yum update dovecot_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n i686: \n dovecot-2.2.36-6.19.amzn1.i686 \n dovecot-devel-2.2.36-6.19.amzn1.i686 \n dovecot-pgsql-2.2.36-6.19.amzn1.i686 \n dovecot-pigeonhole-2.2.36-6.19.amzn1.i686 \n dovecot-debuginfo-2.2.36-6.19.amzn1.i686 \n dovecot-mysql-2.2.36-6.19.amzn1.i686 \n \n src: \n dovecot-2.2.36-6.19.amzn1.src \n \n x86_64: \n dovecot-pigeonhole-2.2.36-6.19.amzn1.x86_64 \n dovecot-mysql-2.2.36-6.19.amzn1.x86_64 \n dovecot-debuginfo-2.2.36-6.19.amzn1.x86_64 \n dovecot-2.2.36-6.19.amzn1.x86_64 \n dovecot-pgsql-2.2.36-6.19.amzn1.x86_64 \n dovecot-devel-2.2.36-6.19.amzn1.x86_64 \n \n \n", "edition": 3, "modified": "2020-05-08T19:50:00", "published": "2020-05-08T19:50:00", "id": "ALAS-2020-1363", "href": "https://alas.aws.amazon.com/ALAS-2020-1363.html", "title": "Medium: dovecot", "type": "amazon", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2020-11-10T12:36:00", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524", "CVE-2019-3814"], "description": "**Issue Overview:**\n\nIn Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components. ([CVE-2019-7524 __](<https://access.redhat.com/security/cve/CVE-2019-7524>))\n\nIt was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users. ([CVE-2019-3814 __](<https://access.redhat.com/security/cve/CVE-2019-3814>)) \n\n\n \n**Affected Packages:** \n\n\ndovecot\n\n \n**Issue Correction:** \nRun _yum update dovecot_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n aarch64: \n dovecot-2.2.36-6.amzn2.aarch64 \n dovecot-pigeonhole-2.2.36-6.amzn2.aarch64 \n dovecot-pgsql-2.2.36-6.amzn2.aarch64 \n dovecot-mysql-2.2.36-6.amzn2.aarch64 \n dovecot-devel-2.2.36-6.amzn2.aarch64 \n dovecot-debuginfo-2.2.36-6.amzn2.aarch64 \n \n i686: \n dovecot-2.2.36-6.amzn2.i686 \n dovecot-pigeonhole-2.2.36-6.amzn2.i686 \n dovecot-pgsql-2.2.36-6.amzn2.i686 \n dovecot-mysql-2.2.36-6.amzn2.i686 \n dovecot-devel-2.2.36-6.amzn2.i686 \n dovecot-debuginfo-2.2.36-6.amzn2.i686 \n \n src: \n dovecot-2.2.36-6.amzn2.src \n \n x86_64: \n dovecot-2.2.36-6.amzn2.x86_64 \n dovecot-pigeonhole-2.2.36-6.amzn2.x86_64 \n dovecot-pgsql-2.2.36-6.amzn2.x86_64 \n dovecot-mysql-2.2.36-6.amzn2.x86_64 \n dovecot-devel-2.2.36-6.amzn2.x86_64 \n dovecot-debuginfo-2.2.36-6.amzn2.x86_64 \n \n \n", "edition": 1, "modified": "2020-08-18T19:26:00", "published": "2020-08-18T19:26:00", "id": "ALAS2-2020-1473", "href": "https://alas.aws.amazon.com/AL2/ALAS-2020-1473.html", "title": "Medium: dovecot", "type": "amazon", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "redhat": [{"lastseen": "2020-04-02T17:40:58", "bulletinFamily": "unix", "cvelist": ["CVE-2019-3814", "CVE-2019-7524"], "description": "Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. \n\nSecurity Fix(es):\n\n* dovecot: Improper certificate validation (CVE-2019-3814)\n\n* dovecot: Buffer overflow in indexer-worker process results in privilege escalation (CVE-2019-7524)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.", "modified": "2020-03-31T14:11:16", "published": "2020-03-31T13:14:07", "id": "RHSA-2020:1062", "href": "https://access.redhat.com/errata/RHSA-2020:1062", "type": "redhat", "title": "(RHSA-2020:1062) Moderate: dovecot security and bug fix update", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "suse": [{"lastseen": "2019-04-17T14:20:39", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524", "CVE-2019-3814"], "description": "This update for dovecot22 fixes the following issues:\n\n Security issues fixed:\n\n - CVE-2019-7524: Fixed an improper file handling which could result in\n stack overflow allowing local root escalation (bsc#1130116).\n - CVE-2019-3814: Fixed a vulnerability related to SSL client certificate\n authentication (bsc#1123022).\n\n Other issue fixed:\n - Fixed handling of command continuation (bsc#1111789).\n\n This update was imported from the SUSE:SLE-12:Update update project.\n\n", "edition": 1, "modified": "2019-04-17T12:24:00", "published": "2019-04-17T12:24:00", "id": "OPENSUSE-SU-2019:1220-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html", "title": "Security update for dovecot22 (important)", "type": "suse", "cvss": {"score": 7.2, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2019-10-07T22:28:24", "bulletinFamily": "unix", "cvelist": ["CVE-2019-11499", "CVE-2019-11494", "CVE-2019-11500"], "description": "This update for dovecot23 fixes the following issue:\n\n - CVE-2019-11500: Fixed the NUL byte handling in IMAP and ManageSieve\n protocol parsers. (bsc#1145559)\n - CVE-2019-11499: Fixed a vulnerability where the submission-login would\n crash over a TLS secured channel (bsc#1133625).\n - CVE-2019-11494: Fixed a denial of service if the authentication is\n aborted by disconnecting (bsc#1133624).\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n", "edition": 1, "modified": "2019-10-07T21:13:48", "published": "2019-10-07T21:13:48", "id": "OPENSUSE-SU-2019:2278-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html", "title": "Security update for dovecot23 (important)", "type": "suse", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2019-10-07T22:28:24", "bulletinFamily": "unix", "cvelist": ["CVE-2019-11499", "CVE-2019-11494", "CVE-2019-11500"], "description": "This update for dovecot23 fixes the following issues:\n\n - CVE-2019-11500: Fixed the NUL byte handling in IMAP and ManageSieve\n protocol parsers. (bsc#1145559)\n - CVE-2019-11499: Fixed a vulnerability where the submission-login would\n crash over a TLS secured channel (bsc#1133625).\n - CVE-2019-11494: Fixed a denial of service if the authentication is\n aborted by disconnecting (bsc#1133624).\n\n This update was imported from the SUSE:SLE-15-SP1:Update update project.\n\n", "edition": 1, "modified": "2019-10-07T21:15:17", "published": "2019-10-07T21:15:17", "id": "OPENSUSE-SU-2019:2281-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html", "title": "Security update for dovecot23 (important)", "type": "suse", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2019-05-02T22:20:31", "bulletinFamily": "unix", "cvelist": ["CVE-2019-10691"], "description": "This update for dovecot23 fixes the following issues:\n\n Security issue fixed:\n\n - CVE-2019-10691: Fixed a denial of service via reachable assertion when\n processing invalid UTF-8 characters (bsc#1132501).\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n", "edition": 1, "modified": "2019-05-02T21:08:57", "published": "2019-05-02T21:08:57", "id": "OPENSUSE-SU-2019:1312-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html", "title": "Security update for dovecot23 (important)", "type": "suse", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:PARTIAL/"}}, {"lastseen": "2019-04-16T16:20:44", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524"], "description": "This update for dovecot23 fixes the following issue:\n\n Security issue fixed:\n\n - CVE-2019-7524: Fixed an improper file handling which could result in\n stack oveflow allowing local root escalation (bsc#1130116).\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n", "edition": 1, "modified": "2019-04-16T15:09:33", "published": "2019-04-16T15:09:33", "id": "OPENSUSE-SU-2019:1212-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00060.html", "title": "Security update for dovecot23 (moderate)", "type": "suse", "cvss": {"score": 7.2, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "gentoo": [{"lastseen": "2019-04-17T22:56:21", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524", "CVE-2019-3814"], "description": "### Background\n\nDovecot is an open source IMAP and POP3 email server.\n\n### Description\n\nMultiple vulnerabilities have been discovered in Dovecot. Please review the CVE identifiers referenced below for details. \n\n### Impact\n\nPlease review the referenced CVE identifiers for details\n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll Dovecot users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=net-mail/dovecot-2.3.5.1\"", "edition": 1, "modified": "2019-04-17T00:00:00", "published": "2019-04-17T00:00:00", "id": "GLSA-201904-19", "href": "https://security.gentoo.org/glsa/201904-19", "title": "Dovecot: Multiple vulnerabilities", "type": "gentoo", "cvss": {"score": 7.2, "vector": "AV:LOCAL/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "oraclelinux": [{"lastseen": "2020-04-09T02:45:27", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524", "CVE-2019-3814", "CVE-2019-11500"], "description": "[1:2.2.36-6]\n- fix CVE-2019-11500: IMAP protocol parser does not properly handle NUL byte\n when scanning data in quoted strings, leading to out of bounds heap\n memory writes (#1741787)\n[1:2.2.36-5]\n- fix CVE-2019-3814: improper certificate validation (#1674369)\n- fix CVE-2019-7524: buffer overflow in indexer-worker process resulting in privilege\n escalation (#1700398)\n[1:2.2.36-4]\n- use portreserve to avoid port conflicts(#1270283)", "edition": 1, "modified": "2020-04-06T00:00:00", "published": "2020-04-06T00:00:00", "id": "ELSA-2020-1062", "href": "http://linux.oracle.com/errata/ELSA-2020-1062.html", "title": "dovecot security and bug fix update", "type": "oraclelinux", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "debian": [{"lastseen": "2020-08-12T00:51:39", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524"], "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4418-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nMarch 28, 2019 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : dovecot\nCVE ID : CVE-2019-7524\n\nA vulnerability was discovered in the Dovecot email server. When reading\nFTS or POP3-UIDL headers from the Dovecot index, the input buffer size\nis not bounds-checked. An attacker with the ability to modify dovecot\nindexes, can take advantage of this flaw for privilege escalation or the\nexecution of arbitrary code with the permissions of the dovecot user.\nOnly installations using the FTS or pop3 migration plugins are affected.\n\nFor the stable distribution (stretch), this problem has been fixed in\nversion 1:2.2.27-3+deb9u4.\n\nWe recommend that you upgrade your dovecot packages.\n\nFor the detailed security status of dovecot please refer to its security\ntracker page at:\nhttps://security-tracker.debian.org/tracker/dovecot\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n", "edition": 9, "modified": "2019-03-28T20:04:41", "published": "2019-03-28T20:04:41", "id": "DEBIAN:DSA-4418-1:1D853", "href": "https://lists.debian.org/debian-security-announce/debian-security-announce-2019/msg00062.html", "title": "[SECURITY] [DSA 4418-1] dovecot security update", "type": "debian", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2020-08-12T01:05:50", "bulletinFamily": "unix", "cvelist": ["CVE-2019-7524"], "description": "Package : dovecot\nVersion : 1:2.2.13-12~deb8u6\nCVE ID : CVE-2019-7524\n\nA security vulnerability was discovered in the Dovecot email server.\nWhen reading FTS headers from the Dovecot index, the input buffer\nsize is not bounds-checked. An attacker with the ability to modify\ndovecot indexes, can take advantage of this flaw for privilege\nescalation or the execution of arbitrary code with the permissions of\nthe dovecot user. Only installations using the FTS plugins are affected.\n\nFor Debian 8 &quot;Jessie&quot;, this problem has been fixed in version\n1:2.2.13-12~deb8u6.\n\nWe recommend that you upgrade your dovecot packages.\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS\n", "edition": 11, "modified": "2019-03-29T13:11:00", "published": "2019-03-29T13:11:00", "id": "DEBIAN:DLA-1736-1:9635C", "href": "https://lists.debian.org/debian-lts-announce/2019/debian-lts-announce-201903/msg00038.html", "title": "[SECURITY] [DLA 1736-1] dovecot security update", "type": "debian", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2020-08-12T00:51:19", "bulletinFamily": "unix", "cvelist": ["CVE-2019-3814"], "description": "Package : dovecot\nVersion : 1:2.2.13-12~deb8u5\nCVE ID : CVE-2019-3814\n\nIt was discovered that there was a vulnerability in the dovecot\nIMAP/POP3 server.\n\nA flaw in the TLS username handling could lead to an attacker\nlogging in as anyone else in the system if both\nauth_ssl_{require_client,username_from}_cert were enabled.\n\nFor Debian 8 &quot;Jessie&quot;, this issue has been fixed in dovecot version\n1:2.2.13-12~deb8u5.\n\nWe recommend that you upgrade your dovecot packages.\n\n\nRegards,\n\n- -- \n ,&#x27;&#x27;`.\n : :&#x27; : Chris Lamb\n `. `&#x27;` lamby@debian.org \ud83c\udf65 chris-lamb.co.uk\n `-\n\n", "edition": 11, "modified": "2019-02-07T17:22:08", "published": "2019-02-07T17:22:08", "id": "DEBIAN:DLA-1667-1:1A9F5", "href": "https://lists.debian.org/debian-lts-announce/2019/debian-lts-announce-201902/msg00012.html", "title": "[SECURITY] [DLA 1667-1] dovecot security update", "type": "debian", "cvss": {"score": 4.9, "vector": "AV:N/AC:M/Au:S/C:P/I:P/A:N"}}, {"lastseen": "2020-08-12T01:09:36", "bulletinFamily": "unix", "cvelist": ["CVE-2019-3814"], "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4385-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nFebruary 05, 2019 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : dovecot\nCVE ID : CVE-2019-3814\n\nhalfdog discovered an authentication bypass vulnerability in the Dovecot\nemail server. Under some configurations Dovecot mistakenly trusts the\nusername provided via authentication instead of failing. If there is no\nadditional password verification, this allows the attacker to login as\nanyone else in the system. Only installations using:\n\n auth_ssl_require_client_cert = yes\n auth_ssl_username_from_cert = yes\n\nare affected by this flaw.\n\nFor the stable distribution (stretch), this problem has been fixed in\nversion 1:2.2.27-3+deb9u3.\n\nWe recommend that you upgrade your dovecot packages.\n\nFor the detailed security status of dovecot please refer to its security\ntracker page at:\nhttps://security-tracker.debian.org/tracker/dovecot\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n", "edition": 9, "modified": "2019-02-05T16:34:49", "published": "2019-02-05T16:34:49", "id": "DEBIAN:DSA-4385-1:E9653", "href": "https://lists.debian.org/debian-security-announce/debian-security-announce-2019/msg00024.html", "title": "[SECURITY] [DSA 4385-1] dovecot security update", "type": "debian", "cvss": {"score": 4.9, "vector": "AV:N/AC:M/Au:S/C:P/I:P/A:N"}}]}