{"id":"CVE-2007-3153","aliases":["EUVD-2007-3145","GHSA-mrjq-p33j-h2vf"],"status":"published","title":"The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak...","description":"The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak facility for producing a random number sequence (Unix rand), which makes it easier for remote attackers to spoof DNS responses by guessing certain values.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.01186,"percentile":0.6798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-06-11T22:00:00Z","modified":"2026-06-16T22:41:10Z","products":[{"vendor":"daniel_stenberg","product":"c-ares"}],"references":[{"url":"http://osvdb.org/37172","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/34980","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://cool.haxx.se/cvs.cgi/curl/ares/CHANGES?rev=HEAD\u0026content-type=text/vnd.viewcvs-markup","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/24386","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3153"},{"url":"https://github.com/advisories/GHSA-mrjq-p33j-h2vf"}],"sources":{"cve":[{"id":"CVE-2007-3153","description":"The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak facility for producing a random number sequence (Unix rand), which makes it easier for remote attackers to spoof DNS responses by guessing certain values.","status":"published","published":"2007-06-11T22:00:00Z","modified":"2024-08-07T14:05:29.36Z","updated_at":"2026-11-02T13:32:45.563938Z"}],"euvd":[{"id":"EUVD-2007-3145","description":"The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak facility for producing a random number sequence (Unix rand), which makes it easier for remote attackers to spoof DNS responses by guessing certain values.","status":"published","published":"2007-06-11T22:00:00Z","modified":"2024-08-07T14:05:29Z","updated_at":"2026-11-03T01:38:17.502481Z"}],"ghsa":[{"id":"GHSA-mrjq-p33j-h2vf","title":"The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak...","description":"The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak facility for producing a random number sequence (Unix rand), which makes it easier for remote attackers to spoof DNS responses by guessing certain values.","status":"published","published":"2022-05-01T18:10:50Z","modified":"2023-01-31T05:03:56Z","updated_at":"2026-11-02T14:48:34.878158Z"}],"nvd":[{"id":"CVE-2007-3153","description":"The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak facility for producing a random number sequence (Unix rand), which makes it easier for remote attackers to spoof DNS responses by guessing certain values.","status":"published","published":"2007-06-11T22:30:00Z","modified":"2026-06-16T22:41:10.407Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:16.479378Z"}]}}