Executive Summary

Summary
Title HAproxy vulnerability
Informations
NameUSN-4174-1First vendor Publication2019-11-05
VendorUbuntuLast vendor Modification2019-11-05
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base ScoreN/AAttack RangeN/A
Cvss Impact ScoreN/AAttack ComplexityN/A
Cvss Expoit ScoreN/AAuthenticationN/A
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

HAproxy would allow unintended access if ii received specially crafted HTTP request.

Software Description: - haproxy: fast and reliable load balancing reverse proxy

Details:

It was discovered that HAproxy incorrectly handled certain HTTP requests. An attacker could possibly use this issue to a privilege escalation (Request Smuggling).

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10:
haproxy 2.0.5-1ubuntu0.2

Ubuntu 19.04:
haproxy 1.8.19-1ubuntu1.2

Ubuntu 18.04 LTS:
haproxy 1.8.8-1ubuntu0.7

Ubuntu 16.04 LTS:
haproxy 1.6.3-1ubuntu0.3

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4174-1
CVE-2019-18277

Package Information:
https://launchpad.net/ubuntu/+source/haproxy/2.0.5-1ubuntu0.2
https://launchpad.net/ubuntu/+source/haproxy/1.8.19-1ubuntu1.2
https://launchpad.net/ubuntu/+source/haproxy/1.8.8-1ubuntu0.7
https://launchpad.net/ubuntu/+source/haproxy/1.6.3-1ubuntu0.3

Original Source

Url : http://www.ubuntu.com/usn/USN-4174-1

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0
DateInformations
2019-11-05 17:18:50
  • First insertion