{"id":"CVE-2004-2135","aliases":["EUVD-2004-2127","GHSA-jm3c-v8x2-4v8r"],"status":"published","title":"cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or...","description":"cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain \"IV computation\" weaknesses that allow watermarked files to be detected without decryption.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01216,"percentile":0.68789,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2004-05-26T04:00:00Z","modified":"2026-06-16T22:09:04Z","exploits":[{"source":"exploitdb","id":"EDB-25707","title":"Linux Kernel 2.6.x - Cryptoloop Information Disclosure","type":"local","platform":"linux","date":"2005-05-26","verified":true,"url":"https://www.exploit-db.com/exploits/25707"}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://mareichelt.de/pub/notmine/diskenc.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/13775","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Vendor Advisory"]},{"url":"http://www.securiteam.com/exploits/5UP0P1PFPM.html","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory"]},{"url":"http://marc.info/?l=linux-kernel\u0026m=107719798631935\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-2135"},{"url":"https://github.com/advisories/GHSA-jm3c-v8x2-4v8r"}],"sources":{"cve":[{"id":"CVE-2004-2135","description":"cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain \"IV computation\" weaknesses that allow watermarked files to be detected without decryption.","status":"published","published":"2005-06-01T04:00:00Z","modified":"2024-08-08T01:15:01.601Z","updated_at":"2026-11-02T14:34:53.70484Z"}],"euvd":[{"id":"EUVD-2004-2127","description":"cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain \"IV computation\" weaknesses that allow watermarked files to be detected without decryption.","status":"published","published":"2005-06-01T04:00:00Z","modified":"2024-08-08T01:15:01Z","updated_at":"2026-11-03T01:15:11.805898Z"}],"ghsa":[{"id":"GHSA-jm3c-v8x2-4v8r","title":"cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or...","description":"cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain \"IV computation\" weaknesses that allow watermarked files to be detected without decryption.","status":"published","published":"2022-04-29T03:00:53Z","modified":"2023-01-30T05:03:56Z","updated_at":"2026-11-02T14:46:56.128795Z"}],"nvd":[{"id":"CVE-2004-2135","description":"cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain \"IV computation\" weaknesses that allow watermarked files to be detected without decryption.","status":"published","published":"2004-05-26T04:00:00Z","modified":"2026-06-16T22:09:04.727Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:49.729639Z"}]}}