{"id":"CVE-2008-6549","aliases":["EUVD-2009-0008","GHSA-wjjc-m3fc-fcm8","PYSEC-2009-12"],"status":"published","title":"MoinMoin Denial of Service vulnerability via password_checker function","description":"The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01484,"percentile":0.74154,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2009-03-30T01:00:00Z","modified":"2026-06-16T23:02:26Z","fixes":[{"ecosystem":"PyPI","package":"moin","fixed_in":["1.6.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"moin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"moin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"moin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1"}]}]}],"products":[{"vendor":"moinmo","product":"moinmoin"}],"references":[{"url":"http://moinmo.in/SecurityFixes","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://hg.moinmo.in/moin/1.6/rev/35ff7a9b1546","tags":["x_refsource_CONFIRM","x_transferred","Exploit","evidence"]},{"url":"http://osvdb.org/48876","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-6549","tags":["advisory"]},{"url":"https://web.archive.org/web/20080410051007/http://moinmo.in/SecurityFixes","tags":["web"]},{"url":"https://web.archive.org/web/20211206185024/http://hg.moinmo.in/moin/1.6/rev/35ff7a9b1546","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/moin/PYSEC-2009-12.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-wjjc-m3fc-fcm8"},{"url":"https://github.com/moinwiki/moin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2008-6549","description":"The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.","status":"published","published":"2009-03-30T01:00:00Z","modified":"2024-09-17T00:46:49.608Z","updated_at":"2026-11-02T14:34:46.587139Z"}],"euvd":[{"id":"EUVD-2009-0008","description":"The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.","status":"published","published":"2009-03-30T01:00:00Z","modified":"2024-09-17T00:46:49Z","updated_at":"2026-11-03T00:28:55.3353Z"}],"ghsa":[{"id":"GHSA-wjjc-m3fc-fcm8","title":"MoinMoin Denial of Service vulnerability via password_checker function","description":"The password_checker function in `config/multiconfig.py` in MoinMoin prior to version 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.","status":"published","published":"2022-05-17T05:52:47Z","modified":"2024-11-26T18:40:13Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:38:23.575854Z"}],"nvd":[{"id":"CVE-2008-6549","description":"The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.","status":"published","published":"2009-03-30T01:30:00.517Z","modified":"2026-06-16T23:02:26.007Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:31.451035Z"}],"osv":[{"id":"GHSA-wjjc-m3fc-fcm8","title":"MoinMoin Denial of Service vulnerability via password_checker function","description":"The password_checker function in `config/multiconfig.py` in MoinMoin prior to version 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.","status":"published","published":"2022-05-17T05:52:47Z","modified":"2024-11-26T18:40:12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:58.767335Z"},{"id":"CVE-2008-6549","description":"The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.","status":"withdrawn","published":"2009-03-30T01:30:00Z","modified":"2024-11-25T22:42:05.36581Z","updated_at":"2026-11-02T15:43:57.452479Z"},{"id":"PYSEC-2009-12","description":"The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.","status":"published","published":"2009-03-30T01:30:00Z","modified":"2024-11-25T22:42:05.36581Z","updated_at":"2026-11-02T15:52:51.254177Z"}]}}