8.2
HIGH
CVE-2023-45539
HAProxy Path Traversal Remote Information Leak
Description

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.

INFO

Published Date :

Nov. 28, 2023, 8:15 p.m.

Last Modified :

Oct. 15, 2024, 6:35 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

4.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-45539 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-45539 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Haproxy haproxy
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-45539.

URL Resource
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6 Broken Link
https://lists.debian.org/debian-lts-announce/2023/12/msg00010.html
https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html Mailing List
https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html Release Notes

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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hackthebox/cyber-apocalypse-2024

Official writeups for Cyber Apocalypse CTF 2024: Hacker Royale

Python Sage Makefile Dockerfile Shell JavaScript HTML CSS SCSS C

Updated: 2 months, 3 weeks ago
164 stars 32 fork 32 watcher
Born at : March 14, 2024, 1:15 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-45539 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-45539 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 15, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-116
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Dec. 14, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.debian.org/debian-lts-announce/2023/12/msg00010.html [No types assigned]
  • Initial Analysis by [email protected]

    Dec. 04, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
    Changed Reference Type https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6 No Types Assigned https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6 Broken Link
    Changed Reference Type https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html No Types Assigned https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html Mailing List
    Changed Reference Type https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html No Types Assigned https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html Release Notes
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions up to (excluding) 2.8.2
  • CVE Received by [email protected]

    Nov. 28, 2023

    Action Type Old Value New Value
    Added Description 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.
    Added Reference MITRE https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html [No types assigned]
    Added Reference MITRE https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=2eab6d354322932cfec2ed54de261e4347eca9a6 [No types assigned]
    Added Reference MITRE https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-45539 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-45539 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} 0.02%

score

0.49723

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: