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CVE-2023-45539

Good to know:

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Date: November 27, 2023

HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.

Language: C

Severity Score

Related Resources (7)

https://security-tracker.debian.org/tracker/CVE-2023-45539
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6
https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html
https://nvd.nist.gov/vuln/detail/CVE-2023-45539
https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html
https://lists.debian.org/debian-lts-announce/2023/12/msg00010.html
https://www.mend.io/vulnerability-database/CVE-2023-45539

Severity Score

Weakness Type (CWE)

Improper Encoding or Escaping of Output

CWE-116

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): NONE

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