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{"affected_release": [{"advisory": "RHSA-2009:0046", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "ntp-0:4.2.0.a.20040617-8.el4_7.1", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2009-01-29T00:00:00Z"}, {"advisory": "RHSA-2009:0046", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "ntp-0:4.2.2p1-9.el5_3.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-01-29T00:00:00Z"}], "bugzilla": {"description": "ntp incorrectly checks for malformed signatures", "id": "476807", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=476807"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "status": "verified"}, "details": ["NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077."], "name": "CVE-2009-0021", "public_date": "2009-01-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-0021\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-0021"], "threat_severity": "Moderate"}