{"id":31452,"date":"2019-10-31T21:41:20","date_gmt":"2019-10-31T18:41:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/podrobnosti-pro-vtoroj-vzlom-matrix-skomprometirovany-gpg-klyuchi-proekta\/"},"modified":"2019-10-31T21:41:20","modified_gmt":"2019-10-31T18:41:20","slug":"podrobnosti-pro-vtoroj-vzlom-matrix-skomprometirovany-gpg-klyuchi-proekta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/podrobnosti-pro-vtoroj-vzlom-matrix-skomprometirovany-gpg-klyuchi-proekta","title":{"rendered":"Detaljer om det andet Matrix-brud. GPG-n\u00f8glerne fra projektet blev kompromitteret","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Der er offentliggjort nye detaljer om hackingen af infrastrukturen for den decentraliserede beskedplatform Matrix, som der blev rapporteret om tidligere p\u00e5 dagen. Den problematiske komponent, som angriberne infiltrerede, var Jenkins' kontinuerlige integrationssystem, som blev hacket den 13. marts. Derefter blev en SSH-agent videresendt, som fangede login fra en af administratorerne p\u00e5 Jenkins-serveren, og den 4. april fik angriberne adgang til andre servere i infrastrukturen.<\/p>\n

Ved det andet angreb blev matrix.org omdirigeret til en anden server (matrixnotorg.github.io) ved at \u00e6ndre DNS-parametre, ved hj\u00e6lp af den API-n\u00f8gle til Cloudflare, der blev fanget under det f\u00f8rste angreb. Under genopbygningen af indholdet servere<\/a> efter det f\u00f8rste angreb opdaterede Matrix-administratorer kun de nye personlige n\u00f8gler og fors\u00f8mte at opdatere n\u00f8glen til Cloudflare. <\/p>\n

Under det andet angreb forblev Matrix-serverne ur\u00f8rt, og \u00e6ndringerne begr\u00e6nsede sig udelukkende til at \u00e6ndre adresserne i DNS. Hvis en bruger allerede har \u00e6ndret sin adgangskode efter det f\u00f8rste angreb, er det ikke n\u00f8dvendigt at \u00e6ndre den igen. Men hvis adgangskoden stadig ikke er \u00e6ndret, b\u00f8r den opdateres s\u00e5 hurtigst som muligt, da l\u00e6kagen af databasen med hashede adgangskoder er bekr\u00e6ftet. Der planl\u00e6gges i \u00f8jeblikket at indlede en proces for tvungent nulstilling af adgangskoden ved n\u00e6ste login.<\/p>\n

Udover l\u00e6kagen af adgangskoder er det ogs\u00e5 bekr\u00e6ftet, at angriberne har f\u00e5et fat i GPG-n\u00f8glerne, der blev brugt til at danne digitale signaturer af pakker i Debian-repositoriet Synapse og udgivelserne af Riot\/Web. N\u00f8glerne var beskyttet med en adgangskode. I \u00f8jeblikket er n\u00f8glerne allerede blevet tilbagekaldt. N\u00f8glerne blev fanget den 4. april, men siden da er der ikke blevet udgivet opdateringer til Synapse, men der blev udgivet en klientopdatering til Riot\/Web 1.0.7 (pr\u00e6limin\u00e6r kontrol viste, at den ikke var blevet kompromitteret). <\/p>\n

Angriberen offentliggjorde en r\u00e6kke rapporter med detaljer om angrebet p\u00e5 GitHub, men de blev slettet. Ikke desto mindre er rapporterne blevet gemt i arkivet.
\n
Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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