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{"acknowledgement": "This issue was discovered by Florian Weimer (Red Hat) and Miroslav Lichvar (Red Hat).", "bugzilla": {"description": "chrony: Two security flaws fixed in chrony-1.29 release", "id": "846392", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=846392"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow. NOTE: versions 1.27 and 1.28 do not require authentication to exploit."], "name": "CVE-2012-4502", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "chrony", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2013-08-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-4502\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4502"], "threat_severity": "Moderate", "upstream_fix": "chrony 1.29"}