{"id":36860,"date":"2019-10-31T22:14:20","date_gmt":"2019-10-31T19:14:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/obnovlenie-svobodnogo-antivirusnogo-paketa-clamav-0-101-3\/"},"modified":"2019-10-31T22:14:20","modified_gmt":"2019-10-31T19:14:20","slug":"obnovlenie-svobodnogo-antivirusnogo-paketa-clamav-0-101-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/obnovlenie-svobodnogo-antivirusnogo-paketa-clamav-0-101-3","title":{"rendered":"Opdatering af det gratis antiviruspakke ClamAV 0.101.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Cisco pr\u00e6senterede<\/a><\/noindex> En opdatering af den gratis antiviruspakke ClamAV 0.101.3, hvor en s\u00e5rbarhed er blevet rettet, som tillod en denial-of-service angreb via levering af et specielt tilrettelagt zip-arkiv som vedh\u00e6ftning. <\/p>\n

Problemet<\/a><\/noindex> er en variant af non-rekursiv \"zip-bombe\"<\/a><\/noindex>, hvor udp\u00e6kning kr\u00e6ver meget lang tid og ressourcer. Metoden best\u00e5r i at placere data i arkivet, der muligg\u00f8r maksimalt kompression for zip-formatet \u2014 omkring 28 millioner gange. For eksempel vil en specielt forberedt zip-fil p\u00e5 10 MB f\u00f8re til udp\u00e6kning af omkring 281 TB data, mens 46 MB \u2014 4,5 PB. <\/p>\n

Desuden er den indbyggede libmspack-bibliotek blevet opdateret i den nye udgave, hvor rettet<\/a><\/noindex> buffer overflow (CVE-2019-1010305<\/a><\/noindex>), hvilket f\u00f8rer til datal\u00e6kager ved \u00e5bning af en specielt tilrettelagt chm-fil.<\/p>\n

Samtidig er der pr\u00e6senteret en beta-version af den nye ClamAV 0.102 gren, hvor funktionaliteten for transparent scanning af \u00e5bne filer (on-access scanning, kontrol i det \u00f8jeblik filen \u00e5bnes) er flyttet fra clamd til en separat proces clamonacc, implementeret analogt med clamdscan og clamav-milter. Denne \u00e6ndring har gjort det muligt for clamd at k\u00f8re under en almindelig bruger uden at kr\u00e6ve root-rettigheder.
\nI den nye gren er der ogs\u00e5 tilf\u00f8jet st\u00f8tte for egg-arkiver (ESTsoft), og programmet freshclam er blevet betydeligt omarbejdet, hvor det nu underst\u00f8tter HTTPS og muligheden for at arbejde med spejle, der h\u00e5ndterer anmodninger p\u00e5 netv\u00e6rksporte, der er forskellige fra 80. <\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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