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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 <team+python@tracker.debian.org>
Changed-By: Daniel Leidert <dleidert@debian.org>
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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