{"id":121098,"date":"2024-12-20T15:46:09","date_gmt":"2024-12-20T13:46:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-multimedijnom-frejmvorke-gstreamer-vyyavleno-29-uyazvimostej"},"modified":"2024-12-20T15:46:09","modified_gmt":"2024-12-20T13:46:09","slug":"v-multimedijnom-frejmvorke-gstreamer-vyyavleno-29-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/v-multimedijnom-frejmvorke-gstreamer-vyyavleno-29-uyazvimostej","title":{"rendered":"Foram identificadas 29 vulnerabilidades no framework multim\u00eddia GStreamer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

No framework multim\u00eddia GStreamer, utilizado no GNOME, foram identificadas 29 vulnerabilidades. Oito vulnerabilidades permitem a grava\u00e7\u00e3o de dados fora do buffer, enquanto uma (CVE-2024-47540) permite a reescrita do ponteiro da fun\u00e7\u00e3o. As vulnerabilidades mencionadas podem ser potencialmente exploradas por criminosos, permitindo a execu\u00e7\u00e3o de c\u00f3digo durante o processamento de dados multim\u00eddia malformados em formatos MKV, MP4, Ogg, Vorbis e Opus, assim como legendas no formato SSA. As outras vulnerabilidades levam ao desreferenciamento de ponteiros nulos ou leitura fora da \u00e1rea de mem\u00f3ria do buffer, podendo ser utilizadas para provocar uma falha no sistema. <\/p>\n

A biblioteca GStreamer \u00e9 utilizada para analisar arquivos multim\u00eddia em aplicativos como Nautilus (GNOME Files), GNOME Videos e Rhythmbox, assim como no motor de busca desenvolvido pelo projeto GNOME, tracker-miners. Este motor \u00e9 instalado em muitas distribui\u00e7\u00f5es como uma depend\u00eancia do pacote tracker-extract, utilizado no GNOME para a an\u00e1lise autom\u00e1tica de metadados em novos arquivos. Entre outras fun\u00e7\u00f5es, este servi\u00e7o indexa todos os arquivos no diret\u00f3rio pessoal sem qualquer a\u00e7\u00e3o por parte do usu\u00e1rio. Assim, para um ataque, basta que um arquivo multim\u00eddia especialmente criado apare\u00e7a no diret\u00f3rio do usu\u00e1rio, e a vulnerabilidade ser\u00e1 explorada durante a indexa\u00e7\u00e3o autom\u00e1tica. <\/p>\n

As vulnerabilidades foram corrigidas na atualiza\u00e7\u00e3o do GStreamer 1.24.10 (pacotes gst-plugins-good, gst-plugins-base, gstreamer-plugins-ogg, gstreamer-plugins-opus, gstreamer-plugins-vorbis). Al\u00e9m das 29 vulnerabilidades identificadas pelos pesquisadores do GitHub Security Lab, na vers\u00e3o 1.24.10 tamb\u00e9m foram corrigidas mais 11 vulnerabilidades. \u00c9 poss\u00edvel acompanhar a disponibiliza\u00e7\u00e3o de atualiza\u00e7\u00f5es nas seguintes p\u00e1ginas: Debian, Ubuntu, RHEL, SUSE\/openSUSE, Fedora, Arch, FreeBSD. Na maioria das distribui\u00e7\u00f5es com GNOME, o componente tracker-miners \u00e9 ativado por padr\u00e3o e carregado como uma depend\u00eancia r\u00edgida do gerenciador de arquivos Nautilus (GNOME Files). Para desativar o tracker-miners, podem ser utilizadas os seguintes comandos: <\/p>\n

systemctl --user mask tracker-store.service tracker-miner-fs.service tracker-miner-rss.service tracker-extract.service tracker-miner-apps.service tracker-writeback.service tracker reset --hard
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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Oito vulnerabilidades permitem a grava\u00e7\u00e3o de dados fora do buffer, enquanto uma (CVE-2024-47540) permite a reescrita do ponteiro da fun\u00e7\u00e3o.","canonical_url":"https:\/\/prohoster.info\/pt\/blog\/news\/v-multimedijnom-frejmvorke-gstreamer-vyyavleno-29-uyazvimostej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pt_PT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u043e\u043c \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435 GStreamer \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e 29 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