From: ftpmaster@ftp-master.debian.org 
  
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 Hash: SHA512 
  
 Format: 1.8 
 Date: Mon, 30 Jun 2025 02:59:32 +0200 
 Source: python-flask-cors 
 Architecture: source 
 Version: 3.0.10-2+deb12u1 
 Distribution: bookworm 
 Urgency: medium 
 Maintainer: Debian Python Team  
 Changed-By: Daniel Leidert  
 Closes: 1069764 1100988 
 Changes: 
  python-flask-cors (3.0.10-2+deb12u1) bookworm; urgency=medium 
  . 
    * Non-maintainer upload by the Debian LTS team. 
    * d/patches/CVE-2024-1681.patch: Add to fix CVE-2024-1681 (closes: 
 #1069764). 
      - An attacker can inject fake log entries into the log file by sending 
 a 
        specially crafted GET request containing a CRLF sequence in the 
 request 
        path, allowing them to corrupt log files, potentially covering 
 tracks of 
        other attacks, confusing log post-processing tools, and forging log 
        entries. 
    * d/patches/CVE-2024-6866.patch: Add to fix CVE-2024-6866 (closes: 
 #1100988). 
      - The request path matching is case-insensitive. This results in a 
 mismatch 
        because paths in URLs are case-sensitive, but the regex matching 
 treats 
        them as case-insensitive. This misconfiguration can lead to 
 significant 
        security vulnerabilities, allowing unauthorized origins to access 
 paths 
        meant to be restricted, resulting in data exposure and potential 
 leaks. 
    * d/patches/CVE-2024-6839-1.patch, d/patches/CVE-2024-6839-2.patch: Add 
 to 
      fix CVE-2024-6839 (closes: #1100988). 
      - There is an improper regex path matching vulnerability. The plugin 
        prioritizes longer regex patterns over more specific ones when 
 matching 
        paths, which can lead to less restrictive CORS policies being 
 applied to 
        sensitive endpoints. This mismatch in regex pattern priority allows 
        unauthorized cross-origin access to sensitive data or functionality, 
        potentially exposing confidential information and increasing the 
 risk of 
        unauthorized actions by malicious actors. 
     d/patches/CVE-2024-6844.patch: Add to fix CVE-2024-6844 (closes: 
 #1100988). 
     - The request.path is passed through the unquote_plus function, which 
       converts the '+' character to a space ' '. This behavior leads to 
       incorrect path normalization, causing potential mismatches in CORS 
       configuration. As a result, endpoints may not be matched correctly to 
       their CORS settings, leading to unexpected CORS policy application. 
 This 
       can cause unauthorized cross-origin access or block valid requests, 
       creating security vulnerabilities and usability issues. 
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 ask-cors_3.0.10-2+deb12u1.debian.tar.xz 
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