{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fvul.hatenadiary.com%2Fentry%2F2022%2F01%2F30%2F000000_1\" title=\"Polkit \u306b 12 \u5e74\u524d\u306e\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u3089\u5b58\u5728\u3057\u305f\u8106\u5f31\u6027\u300cPwnkit\u300d - TT \u8106\u5f31\u6027 Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2022-01-30 00:00:00","image_url":null,"provider_name":"Hatena Blog","height":"190","provider_url":"https://hatena.blog","title":"Polkit \u306b 12 \u5e74\u524d\u306e\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u3089\u5b58\u5728\u3057\u305f\u8106\u5f31\u6027\u300cPwnkit\u300d","version":"1.0","blog_url":"https://vul.hatenadiary.com/","url":"https://vul.hatenadiary.com/entry/2022/01/30/000000_1","description":"\u3010\u6982\u8981\u3011 \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u306e\u6570 (argc) \u3092\u9069\u5207\u306b\u51e6\u7406\u3057\u3066\u304a\u3089\u305a\u3001\u5e38\u306b 1 \u4ee5\u4e0a\u3068\u3057\u3066\u3044\u308b \u5f15\u6570\u30ea\u30b9\u30c8 (argv) \u304c\u7a7a(NULL)\u306e\u72b6\u614b\u3067\u306f\u3001\u5883\u754c\u5916\u306e\u30e1\u30e2\u30ea\u5185\u5bb9\u3092\u5f15\u6570 (argv[1])\u30c7\u30fc\u30bf \u3068\u3057\u3066\u4f7f\u7528 \u5883\u754c\u5916\u306e\u30e1\u30e2\u30ea\u3067\u76f4\u8fd1\u306b\u3042\u308b\u306e\u306f 1 \u3064\u76ee\u306e\u74b0\u5883\u5909\u6570 (envp[0]) pkexec \u306f\u8aad\u307f\u53d6\u3063\u305f\u5024\u3092\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u3068\u3057\u3001 PATH \u74b0\u5883\u5909\u6570\u3067\u6307\u5b9a\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u63a2\u3057\u3042\u308c\u3070\u5b9f\u884c \u3010\u30cb\u30e5\u30fc\u30b9\u3011 \u25c6Polkit \u306b 12 \u5e74\u524d\u306e\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u3089\u5b58\u5728\u3057\u305f\u8106\u5f31\u6027\u300cPwnkit\u300d (\u30b9\u30e9\u30c9, 2022/01/30) https://security.srad.jp/story/\u2026","author_url":"https://blog.hatena.ne.jp/tanigawa/","categories":["\u8106\u5f31\u6027: \u6a29\u9650\u6607\u683c","\u8106\u5f31\u6027: PwnKit","CVE-2021-4034"],"author_name":"tanigawa","width":"100%","blog_title":"TT \u8106\u5f31\u6027 Blog","type":"rich"}