{"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\/da\/blog\/news\/v-multimedijnom-frejmvorke-gstreamer-vyyavleno-29-uyazvimostej","title":{"rendered":"Der er identificeret 29 s\u00e5rbarheder i multimediarammev\u00e6rket GStreamer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

I multimediaramme GStreamer, der anvendes i GNOME, er der identificeret 29 s\u00e5rbarheder. Otte s\u00e5rbarheder f\u00f8rer til skriveadgang uden for buffergr\u00e6nsen, mens en (CVE-2024-47540) muligg\u00f8r overskrivning af en funktionspeger. Disse s\u00e5rbarheder kan potentielt udnyttes af angribere til at udf\u00f8re kode ved behandling af forkert formaterede multimedia data i formaterne MKV, MP4, Ogg, Vorbis og Opus, samt undertekster i SSA-format. De \u00f8vrige s\u00e5rbarheder f\u00f8rer til dereferering af nulpeger eller l\u00e6sning fra hukommelse uden for bufferomr\u00e5det, hvilket betyder, at de kan bruges til at for\u00e5rsage programnedbrud. <\/p>\n

GStreamer-biblioteket anvendes til at analysere multimediafiler i applikationerne Nautilus (GNOME Files), GNOME Videos og Rhythmbox, samt i det udviklede GNOME-projekt tracker-miners s\u00f8gemaskine. Denne motor installeres i mange distributioner som en afh\u00e6ngighed af pakken tracker-extract, der anvendes i GNOME til automatisk at analysere metadata i nye filer. Blandt andet indekserer denne tjeneste alle filer i hjemmemappen uden brugerens indblanding. Derfor er det tilstr\u00e6kkeligt for en angriber at s\u00f8rge for, at en specielt tilrettelagt multimediafil dukker op i brugerens mappe, og s\u00e5rbarheden vil blive udnyttet under den automatiske indeksering. <\/p>\n

S\u00e5rbarhederne er blevet udbedret i opdateringen GStreamer 1.24.10 (pakkerne gst-plugins-good, gst-plugins-base, gstreamer-plugins-ogg, gstreamer-plugins-opus, gstreamer-plugins-vorbis). Ud over de 29 s\u00e5rbarheder, der blev identificeret af forskere fra GitHub Security Lab, er der i version 1.24.10 rapporteret om yderligere 11 s\u00e5rbarheder, der er blevet rettet. Man kan f\u00f8lge med i opdateringerne i distributionerne p\u00e5 f\u00f8lgende sider: Debian, Ubuntu, RHEL, SUSE\/openSUSE, Fedora, Arch, FreeBSD. I de fleste distributioner med GNOME aktiveres komponenten tracker-miners som standard og indl\u00e6ses som en h\u00e5rd afh\u00e6ngighed for filerh\u00e5ndtereren Nautilus (GNOME Files). For at deaktivere tracker-miners kan f\u00f8lgende kommandoer bruges: <\/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
Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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