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{"acknowledgement": "Red Hat would like to thank Philippe Antoine (Catena Cyber) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:2901", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dovecot-1:2.3.8-2.el8_2.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-13T00:00:00Z"}], "bugzilla": {"description": "dovecot: malformed NOOP commands leads to DoS", "id": "1834317", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1834317"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.", "A flaw was found in Dovecot, where it did not properly handle certain malformed NOOP commands. This flaw allows a malicious attacker to cause the submission, submission-login, or lmtp services to crash by sending specially crafted commands."], "name": "CVE-2020-10957", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2020-05-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-10957\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10957\nhttps://dovecot.org/pipermail/dovecot-news/2020-May/000438.html"], "threat_severity": "Important", "upstream_fix": "Dovecot 2.3.10.1"}