{"id":7879,"date":"2025-07-08T20:47:45","date_gmt":"2025-07-08T20:47:45","guid":{"rendered":"http:\/\/localhost\/?p=7879"},"modified":"2025-07-08T20:47:45","modified_gmt":"2025-07-08T20:47:45","slug":"9fans-plan9port-x509c-edump-heap-based-overflow","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=7879","title":{"rendered":"9fans plan9port x509.c edump heap-based overflow"},"content":{"rendered":"<div style=\"font-family: Arial, sans-serif; max-width: 1200px; margin: 0 auto;\">\n<h2 style=\"color: #333; border-bottom: 2px solid #ffcc00; padding-bottom: 10px;\">CVE Details<\/h2>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 20px;\">\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);\">\n<h3 style=\"margin-top: 0; \">Basic Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Title<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">9fans plan9port x509.c edump heap-based overflow<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Type<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">cve<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Published<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">2025-07-09T00:32:08.356Z<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Modified<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">2025-07-09T00:32:08.356Z<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);\">\n<h3 style=\"margin-top: 0; \">Product Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Vendor<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">9fans<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Product<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">plan9port<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Version<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">9da5b44<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); margin-bottom: 20px;\">\n<h3 style=\"margin-top: 0; \">CVSS Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Base Score<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd; color: #ffcc00; font-weight: bold;\">5.1 (MEDIUM)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Attack Vector<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">CVSS:4.0\/AV:A\/AC:L\/AT:N\/PR:L\/UI:N\/VC:L\/VI:L\/VA:L\/SC:N\/SI:N\/SA:N\/E:P<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div style=\"padding: 15px; border-radius: 5px; margin-bottom: 20px;\">\n<h4 style=\"margin-top: 0; \">Affected Products<\/h4>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li>9fans plan9port 9da5b44<\/li>\n<\/ul>\n<\/div>\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); margin-bottom: 20px;\">\n<h3 style=\"margin-top: 0; \">Additional Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">CWE List<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">CWE-122, CWE-119<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\">Source<\/th>\n<td style=\"padding: 8px; border-bottom: 1px solid #ddd;\">VulDB<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<div style=\"padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); margin-bottom: 20px;\">\n<h3 style=\"margin-top: 0; \">Description<\/h3>\n<div style=\"padding: 15px; border-left: 4px solid #4CAF50; \">A vulnerability was found in 9fans plan9port up to 9da5b44. It has been classified as critical. This affects the function edump in the library \/src\/plan9port\/src\/libsec\/port\/x509.c. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The identifier of the patch is b3e06559475b0130a7a2fb56ac4d131d13d2012f. It is recommended to apply a patch to fix this issue.<\/div>\n<\/div>\n<div style=\"padding: 15px; border-radius: 5px; margin-bottom: 20px;\">\n<h4 style=\"margin-top: 0; \">References<\/h4>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li><a href=\"https:\/\/vuldb.com\/?id.259053\" target=\"_blank\">https:\/\/vuldb.com\/?id.259053<\/a><\/li>\n<li><a href=\"https:\/\/vuldb.com\/?ctiid.259053\" target=\"_blank\">https:\/\/vuldb.com\/?ctiid.259053<\/a><\/li>\n<li><a href=\"https:\/\/vuldb.com\/?submit.304567\" target=\"_blank\">https:\/\/vuldb.com\/?submit.304567<\/a><\/li>\n<li><a href=\"https:\/\/vuldb.com\/?submit.607684\" target=\"_blank\">https:\/\/vuldb.com\/?submit.607684<\/a><\/li>\n<li><a href=\"https:\/\/drive.google.com\/drive\/folders\/1kedwNLNDiFQB2OAp7S-ZKYoF7nxfIZGO?usp=sharing\" target=\"_blank\">https:\/\/drive.google.com\/drive\/folders\/1kedwNLNDiFQB2OAp7S-ZKYoF7nxfIZGO?usp=sharing<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/9fans\/plan9port\/issues\/710#issuecomment-2819906648\" target=\"_blank\">https:\/\/github.com\/9fans\/plan9port\/issues\/710#issuecomment-2819906648<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/user-attachments\/files\/19698345\/plan9port_crash_1.txt\" target=\"_blank\">https:\/\/github.com\/user-attachments\/files\/19698345\/plan9port_crash_1.txt<\/a><\/li>\n<li><a href=\"https:\/\/git.9front.org\/plan9front\/plan9front\/b3e06559475b0130a7a2fb56ac4d131d13d2012f\/commit.html\" target=\"_blank\">https:\/\/git.9front.org\/plan9front\/plan9front\/b3e06559475b0130a7a2fb56ac4d131d13d2012f\/commit.html<\/a><\/li>\n<\/ul>\n<\/div>\n<div style=\"text-align: center; margin-top: 30px;\">\n<a href=\"\" target=\"_blank\" style=\"display: inline-block; background-color: #4CAF50; color: white; padding: 12px 24px; text-decoration: none; border-radius: 4px; font-weight: bold; transition: background-color 0.3s;\">View Full CVE Details<\/a>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CVE Details Basic Information Title 9fans plan9port x509.c edump heap-based overflow Type cve Published 2025-07-09T00:32:08.356Z Modified 2025-07-09T00:32:08.356Z Product Information Vendor 9fans Product plan9port Version 9da5b44&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,109,12,21,13,7,11,5],"class_list":["post-7879","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-51","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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