CVE-2023-45539: High severity aprox aproxengine vulnerability

Published Nov 28, 2023
·
Updated

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 pathend rule, such as routing index.html#.png to a static server.

Affected Software

4 affected componentsFixes available
debian/haproxy
2.2.9-2+deb11u62.6.12-1+deb12u12.9.10-1
redhat/haproxy<2.8.2
2.8.2
HAProxy HAProxy<2.8.2
Microsoft cbl2 haproxy 2.4.24-1

Event History

Nov 28, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Jan 12, 2024
Data Sourced
via Launchpad·12:25 AM
Description
Sep 13, 2024
Data Sourced
via Ubuntu·07:38 PM
RemedyDescriptionSeverityAffected Software
Oct 1, 2025
Data Sourced
via Microsoft·11:11 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·11:11 PM
Affected Software
Updated
via Microsoft·11:11 PM
DescriptionSeverity
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Frequently Asked Questions

1

What is CVE-2023-45539?

CVE-2023-45539 is a vulnerability in HAProxy before 2.8.2 that allows remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule.

2

How severe is CVE-2023-45539?

CVE-2023-45539 has a severity rating of 8.2, which is considered high.

3

What is the affected software for CVE-2023-45539?

The affected software for CVE-2023-45539 is HAProxy before version 2.8.2.

4

How can remote attackers exploit CVE-2023-45539?

Remote attackers can exploit CVE-2023-45539 by including '#' as part of the URI component, which may lead to obtaining sensitive information or misinterpretation of a path_end rule.

5

How can I fix CVE-2023-45539?

To fix CVE-2023-45539, update HAProxy to version 2.8.2 or later.

Contact

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