{"id":6373,"date":"2025-06-04T13:07:28","date_gmt":"2025-06-04T13:07:28","guid":{"rendered":"http:\/\/localhost\/?p=6373"},"modified":"2025-06-04T13:07:28","modified_gmt":"2025-06-04T13:07:28","slug":"out-of-bounds-write-in-freertos-plus-tcp","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=6373","title":{"rendered":"Out of Bounds Write in FreeRTOS-Plus-TCP"},"content":{"rendered":"

CVE Details<\/h2>\n

Basic Information<\/h3>\n\n\n\n\n\n
Title<\/th>\nOut of Bounds Write in FreeRTOS-Plus-TCP<\/td>\n<\/tr>\n
Type<\/th>\ncve<\/td>\n<\/tr>\n
Published<\/th>\n2025-06-04T17:09:54.718Z<\/td>\n<\/tr>\n
Last Seen<\/th>\n<\/td>\n<\/tr>\n<\/table>\n

Product Information<\/h3>\n\n\n\n\n
Vendor<\/th>\nAmazon<\/td>\n<\/tr>\n
Product<\/th>\nFreeRTOS<\/td>\n<\/tr>\n
Version<\/th>\n2.3.4<\/td>\n<\/tr>\n<\/table>\n

CVSS Information<\/h3>\n\n\n\n\n\n\n
Base Score<\/th>\n7.5 (HIGH)<\/td>\n<\/tr>\n
Attack Vector<\/th>\nCVSS:4.0\/AV:L\/AC:L\/AT:P\/PR:N\/UI:N\/VC:H\/VI:H\/VA:H\/SC:N\/SI:N\/SA:N<\/td>\n<\/tr>\n
Confidentiality Impact<\/th>\n<\/td>\n<\/tr>\n
Integrity Impact<\/th>\n<\/td>\n<\/tr>\n
Availability Impact<\/th>\n<\/td>\n<\/tr>\n<\/table>\n

AI Analysis<\/h3>\n\n\n\n\n\n\n
AI Description<\/th>\nA buffer overflow vulnerability in FreeRTOS-Plus-TCP allows out-of-bounds writes when handling long LLMNR or mDNS queries, potentially leading to system instability or code execution. This issue affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled. Users should upgrade to the latest version and apply patches to forked or derivative code.<\/td>\n<\/tr>\n
AI Severity<\/th>\nHigh<\/td>\n<\/tr>\n
Vendor<\/th>\nAmazon<\/td>\n<\/tr>\n
Product<\/th>\nFreeRTOS-Plus-TCP<\/td>\n<\/tr>\n
Affected Version<\/th>\n2.3.4<\/td>\n<\/tr>\n<\/table>\n

Additional Information<\/h3>\n\n\n\n\n\n
CVE List<\/th>\n<\/td>\n<\/tr>\n
CWE List<\/th>\nCWE-787<\/td>\n<\/tr>\n
Bulletin Family<\/th>\n<\/td>\n<\/tr>\n
Source Data<\/th>\nAmazon FreeRTOS 2.3.4<\/td>\n<\/tr>\n<\/table>\n

Source Information<\/h3>\n\n\n\n
Source Data<\/th>\nAmazon FreeRTOS 2.3.4<\/td>\n<\/tr>\n
Source Link<\/th>\n<\/a><\/td>\n<\/tr>\n<\/table>\n

Description<\/h3>\n
We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.<\/p>\n

Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.<\/p><\/div>\n

CVSS Score Summary<\/h3>\n
\n

Base Score:<\/strong> 7.5 (HIGH)<\/span><\/p>\n<\/div>\n

View Full CVE Details<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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