{"id":3619,"date":"2022-01-28T18:17:47","date_gmt":"2022-01-28T09:17:47","guid":{"rendered":"https:\/\/sitecloud.jp\/?post_type=blog&p=3619"},"modified":"2024-06-03T18:57:01","modified_gmt":"2024-06-03T09:57:01","slug":"nss%e3%83%a9%e3%82%a4%e3%83%96%e3%83%a9%e3%83%aa%e3%81%ae%e8%84%86%e5%bc%b1%e6%80%a7%e3%81%ab%e9%96%a2%e3%81%99%e3%82%8bssl%e5%af%be%e5%bf%9c%e3%82%b5%e3%82%a4%e3%83%88%e3%81%b8%e3%81%ae%e5%bd%b1","status":"publish","type":"blog","link":"https:\/\/kurojica.com\/server\/blog\/3619\/","title":{"rendered":"NSS\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u8106\u5f31\u6027\u306b\u95a2\u3059\u308bSSL\u5bfe\u5fdc\u30b5\u30a4\u30c8\u3078\u306e\u5f71\u97ff\u3068\u78ba\u8a8d\u65b9\u6cd5"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\u3053\u3093\u306b\u3061\u306f\u3002\u300c\u30af\u30ed\u30b8\u30ab\u30b5\u30fc\u30d0\u30fc\u7ba1\u7406\u300d<\/a>\u30d7\u30ea\u30bb\u30fc\u30eb\u30b9\u306e\u9ad8\u702c\u3067\u3059\u3002<\/p>\n\n\n\n

2021\u5e7412\u6708\u306b\u6697\u53f7\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308b\u300cNSS\u300d\u306b\u3064\u3044\u3066\u8106\u5f31\u6027\uff08CVE-2021-43527\uff09\u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u60aa\u7528\u3055\u308c\u308b\u3068\u4efb\u610f\u306e\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5371\u967a\u306a\u8106\u5f31\u6027\u3068\u3044\u3046\u3053\u3068\u3067Redhat\u793e\u304b\u3089\u306f\u6700\u3082\u91cd\u8981\u5ea6\u306e\u9ad8\u3044Critical Impact \u3068\u767a\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

https:\/\/access.redhat.com\/security\/cve\/CVE-2021-43527<\/a><\/p>\n\n\n\n

NSS\u306fWeb\u30b5\u30a4\u30c8\u3084\u30e1\u30fc\u30eb\u9001\u53d7\u4fe1\u306a\u3069\u3067\u3082\u4f7f\u308f\u308c\u3066\u3044\u308bSSL\/TLS\u901a\u4fe1\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u3084\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u306b\u3088\u3063\u3066\u306fWeb\u30b5\u30a4\u30c8\u306b\u3082\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u4e0a\u8ff0\u306e\u901a\u308a\u60aa\u7528\u3055\u308c\u308b\u3068\u4efb\u610f\u306e\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u4e57\u3063\u53d6\u3089\u308c\u3066\u3057\u307e\u3046\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3084\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u30b5\u30fc\u30d3\u30b9\u306e\u63d0\u4f9b\u5143\u3078\u5f71\u97ff\u6709\u7121\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u304c\u3001\u5c02\u7528\u30b5\u30fc\u30d0\u30fc\u3084\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u3092\u81ea\u793e\u3067\u69cb\u7bc9\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u5f71\u97ff\u7bc4\u56f2\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u672c\u8a18\u4e8b\u3067\u306f\u8106\u5f31\u6027\u3092\u53d7\u3051\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u4e00\u822c\u7684\u306aWeb\u30b5\u30fc\u30d0\u30fc\u3067\u306e\u5f71\u97ff\u6709\u7121\u306e\u78ba\u8a8d\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n

\u8106\u5f31\u6027\u306e\u5bfe\u8c61\u3068\u306a\u308b\u30d0\u30fc\u30b8\u30e7\u30f3<\/strong><\/h2>\n\n\n\n

\u5f71\u97ff\u3092\u53d7\u3051\u308bNSS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f3.73\u4ee5\u4e0b\u3001\u3082\u3057\u304f\u306f3.68.1\u4ee5\u4e0b\u3068\u767a\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2021-43527<\/a><\/p>\n\n\n\n

\u305f\u3060\u3057\u3001Redhat\u306a\u3069\u306eOS\u306b\u4ed8\u5c5e\u3057\u3066\u3044\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306bOS\u63d0\u4f9b\u5143\u304c\u4fee\u6b63\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u767a\u8868\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u305f\u3081\u3001\u5404\u793e\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u25a0 Amazon Linux 2<\/p>\n\n\n\n

https:\/\/alas.aws.amazon.com\/AL2\/ALAS-2021-1722.html<\/a><\/p>\n\n\n\n

\u25a0 Red Hat Enterprise Linux Server 7<\/p>\n\n\n\n

https:\/\/access.redhat.com\/errata\/RHSA-2021:4904<\/a><\/p>\n\n\n\n

\u5f71\u97ff\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d\u65b9\u6cd5<\/strong><\/h2>\n\n\n\n

Amazon Linux 2\u3084Red Hat Enterprise Linux Server 7\u3067yum\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306frpm\u30b3\u30de\u30f3\u30c9\u306a\u3069\u3067\u95a2\u9023\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u4e0a\u8ff0\u306e\u5bfe\u5fdc\u6e08\u307f\u30d0\u30fc\u30b8\u30e7\u30f3\u304b\u305d\u308c\u4ee5\u4e0a\u3068\u306a\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

# rpm -qa | grep \"nss-\\|nspr-\"<\/code><\/p>\n\n\n\n

\u3082\u3057\u3082\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u53e4\u3044\u5834\u5408\u306f\u30b5\u30a4\u30c8\u306e\u5f71\u97ff\u3092\u78ba\u8a8d\u306e\u4e0a\u3001\u4fee\u6b63\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u9069\u7528\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

Web\u30b5\u30a4\u30c8\u3078\u306e\u5f71\u97ff\u306b\u3064\u3044\u3066<\/strong><\/h2>\n\n\n\n

Apache\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408<\/strong><\/h3>\n\n\n\n

Apache\u3092\u5229\u7528\u3057\u3066mod_ssl\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066SSL\u306e\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u306fOpenSSL\u3092\u7528\u3044\u308b\u305f\u3081\u5f71\u97ff\u306f\u3042\u308a\u307e\u305b\u3093\u3002mod_nss\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

NSS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u78ba\u8a8d\u3068\u540c\u69d8\u3001yum\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067mod_nss\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

# rpm -q mod_nss<\/code><\/p>\n\n\n\n

Nginx\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408<\/strong><\/h3>\n\n\n\n

Nginx\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306bOpenSSL\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5834\u6240\u3092\u6307\u5b9a\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u308a\u3001NSS\u3092\u4f7f\u3063\u305f\u30e1\u30b8\u30e3\u30fc\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u898b\u5f53\u305f\u3089\u306a\u3044\u305f\u3081\u3001\u901a\u5e38\u306f\u5f71\u97ff\u3057\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

https:\/\/nginx.org\/en\/docs\/configure.html<\/a><\/p>\n\n\n\n

cURL\u306b\u3088\u308b\u5f71\u97ff<\/strong><\/h3>\n\n\n\n

Web\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001PHP\u3067\u5916\u90e8\u3068\u901a\u4fe1\u3059\u308b\u306e\u306b\u3088\u304f\u4f7f\u308f\u308c\u308bcURL\u3082\u74b0\u5883\u306b\u3088\u3063\u3066\u306fNSS\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067OpenSSL\u3067\u306f\u306a\u304fNSS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306fNSS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3064\u3044\u3066\u78ba\u8a8d\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

# curl -V<\/code><\/p>\n\n\n\n

\u3055\u3044\u3054\u306b<\/strong><\/h2>\n\n\n\n

NSS\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308bSSL\/TLS\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306a\u308b\u305f\u3081\u3001\u5f71\u97ff\u7bc4\u56f2\u3092\u628a\u63e1\u3059\u308b\u65b9\u6cd5\u3082\u30b5\u30a4\u30c8\u306b\u3088\u3063\u3066\u69d8\u3005\u3067\u3059\u3002<\/p>\n\n\n\n

\u4e0a\u8a18\u4ee5\u5916\u3067\u3082PHP\u3084Perl\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u72ec\u81ea\u5b9f\u88c5\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306a\u3069\u3001\u30b5\u30a4\u30c8\u5185\u306e\u6a5f\u80fd\u3067\u901a\u4fe1\u306bNSS\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u305f\u3081\u3001\u3054\u5229\u7528\u306e\u30b5\u30a4\u30c8\u306e\u5236\u4f5c\u4f1a\u793e\u3084\u30b5\u30fc\u30d0\u30fc\u63d0\u4f9b\u5143\u306b\u3082\u5f71\u97ff\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3055\u308c\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u81ea\u793e\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u3067\u8106\u5f31\u6027\u5bfe\u5fdc\u304c\u96e3\u3057\u3044\u5834\u5408\u3001\u5f0a\u793e\u3067\u304a\u5ba2\u69d8\u30b5\u30fc\u30d0\u30fc\u306b\u3064\u3044\u3066\u30d2\u30a2\u30ea\u30f3\u30b0\u3084\u8abf\u67fb\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u3001\u904b\u7528\u3084\u79fb\u884c\u306b\u3064\u3044\u3066\u3054\u63d0\u6848\u53ef\u80fd\u3067\u3059\u306e\u3067\u305c\u3072\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u307e\u305b\u3002<\/p>\n","protected":false},"author":2,"featured_media":3632,"template":"","tags":[500],"class_list":["post-3619","blog","type-blog","status-publish","has-post-thumbnail","hentry","tag-500"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/blog\/3619"}],"collection":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/types\/blog"}],"author":[{"embeddable":true,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":0,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/blog\/3619\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/media\/3632"}],"wp:attachment":[{"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/media?parent=3619"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kurojica.com\/server\/wp-json\/wp\/v2\/tags?post=3619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}