USN-7135-1: HAProxy vulnerability

Published Dec 3, 2024
·
Updated

Bahruz Jabiyev, Anthony Gavazzi, Engin Kirda, Kaan Onarlioglu, Adi Peleg, and Harvey Tuch discovered that HAProxy incorrectly handled empty header names. A remote attacker could possibly use this issue to manipulate headers and bypass certain authentication checks and restrictions.

Affected Software

2 affected componentsFixes available
All of the following
ubuntu/haproxy<1.6.3-1ubuntu0.3+esm2
1.6.3-1ubuntu0.3+esm2
Ubuntu Ubuntu=16.04

Event History

Dec 3, 2024
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-7135-1?

The severity of USN-7135-1 is considered high due to the potential for remote attackers to manipulate headers.

2

How do I fix USN-7135-1?

To fix USN-7135-1, update to HAProxy version 1.6.3-1ubuntu0.3+esm2 or later.

3

Which software versions are affected by USN-7135-1?

USN-7135-1 affects HAProxy versions prior to 1.6.3-1ubuntu0.3+esm2 on Ubuntu 16.04.

4

What could happen if USN-7135-1 is exploited?

If exploited, USN-7135-1 could allow a remote attacker to bypass authentication checks.

5

Who discovered the vulnerability in USN-7135-1?

The vulnerability in USN-7135-1 was discovered by Bahruz Jabiyev, Anthony Gavazzi, Engin Kirda, Kaan Onarlioglu, Adi Peleg, and Harvey Tuch.

Contact

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